Common Weakness Enumeration

CWE-409

Allowed

Improper Handling of Highly Compressed Data (Data Amplification)

Abstraction: Base · Status: Incomplete

The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output.

262 vulnerabilities reference this CWE, most recent first.

CVE-2026-48594 (GCVE-0-2026-48594)

Vulnerability from cvelistv5 – Published: 2026-06-02 19:08 – Updated: 2026-09-24 20:50

Title

Decompression bomb in Tesla.Middleware.DecompressResponse and Tesla.Middleware.Compression

Summary

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in elixir-tesla tesla allows a denial of service via decompression bomb in HTTP response bodies. When Tesla.Middleware.DecompressResponse or Tesla.Middleware.Compression is included in a Tesla middleware pipeline, HTTP response bodies are decompressed eagerly with no size limit. The decompress_body/2 function in lib/tesla/middleware/compression.ex passes the entire response body to :zlib.gunzip/1 or :zlib.unzip/1 without any cap on the output size. Additionally, compression_algorithms/1 splits the content-encoding header on commas and decompress_body/2 recurses once per token, applying a decompression pass on each iteration. A server advertising content-encoding: gzip, gzip, gzip, gzip causes four recursive decompression passes, yielding exponential amplification: each gzip layer can expand its input roughly 1000x, so a payload of a few hundred bytes on the wire inflates to gigabytes of BEAM heap, exhausting memory and crashing or freezing the calling process. This issue affects tesla: from 0.6.0 before 1.18.3.

Severity

8.2 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-03 14:39 UTC

CWE

CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)

Assigner

EEF mitre root Scorecard

References

5 references

URL	Tags
https://github.com/elixir-tesla/tesla/security/ad…	vendor-advisoryrelated
https://cna.erlef.org/cves/CVE-2026-48594.html	related
https://osv.dev/vulnerability/EEF-CVE-2026-48594	related
https://github.com/elixir-tesla/tesla/commit/5bd9…	related
https://github.com/elixir-tesla/tesla/commit/340f…	patch

Impacted products

2 products

Vendor	Product	Version
elixir-tesla	tesla	Affected: 0.6.0 , < 1.18.3 (semver) cpe:2.3:a:elixir-tesla:tesla::::::::
elixir-tesla	tesla	Affected: 5bd90bb5cf0d15e375edc2a66fa322292940fce2 , < 340f75b5d191dc747ef7ac6365bd002d1cd55a9d (git) cpe:2.3:a:elixir-tesla:tesla::::::::

Date Public

2026-06-02 19:08

Credits

Peter Ullrich Yordis Prieto Jonatan Männchen / EEF

Show details on NVD website

JSON

To clipboard

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CVE-2026-48586 (GCVE-0-2026-48586)

Vulnerability from cvelistv5 – Published: 2026-07-27 11:02 – Updated: 2026-07-27 13:03

Title

Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift: TZlibTransport Decompression Size Limit

Summary

Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift C++, Java, Python, Go, D, C/GLib bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-27 13:03 UTC

CWE

CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)

Assigner

apache mitre root Scorecard

References

3 references

URL	Tags
https://lists.apache.org/thread/7v3jhgwfbmhx42424…	vendor-advisory
https://lists.apache.org/thread/p008svsjf9p6bj47w…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Thrift	Affected: 0 , < 0.24.0 (semver)

Show details on NVD website

JSON

To clipboard

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CVE-2026-48510 (GCVE-0-2026-48510)

Vulnerability from cvelistv5 – Published: 2026-06-22 21:16 – Updated: 2026-06-25 15:05

Title

MessagePack-CSharp: LZ4 decompression allocates from unbounded declared output lengths

Summary

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, when MessagePack-CSharp decompresses Lz4Block or Lz4BlockArray payloads, it reads declared uncompressed lengths from the wire and allocates output buffers based on those lengths before validating that the compressed data is valid or that the declared expansion is reasonable. A small payload can claim a very large uncompressed length and force a large allocation before LZ4 decoding begins. This vulnerability is fixed in 2.5.301 and 3.1.7.

Severity

6.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-23 12:29 UTC

CWE

CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/MessagePack-CSharp/MessagePack…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
MessagePack-CSharp	MessagePack-CSharp	Affected: >= 3.0, < 3.1.7 Affected: < 2.5.301

Show details on NVD website

JSON

To clipboard

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CVE-2026-48502 (GCVE-0-2026-48502)

Vulnerability from cvelistv5 – Published: 2026-06-22 21:18 – Updated: 2026-06-23 15:05

Title

MessagePack-CSharp: Denial of service vulnerabilities can swamp the CPU or crash the process with stack and heap overflows

Summary

MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, MessagePackReader.ReadDateTime() can allocate stack memory based on an attacker-controlled MessagePack extension length. In the slow path for timestamp extension parsing, the computed tokenSize includes the extension body length from the wire and is used in a stackalloc operation before the extension length is validated as one of the valid timestamp sizes. A very small payload can claim a large timestamp extension body and cause a stack allocation large enough to trigger an uncatchable StackOverflowException, terminating the host process. This vulnerability is fixed in 2.5.301 and 3.1.7.

Severity

8.2 (High)


                        
                          CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-23 14:58 UTC

CWE

CWE-125 - Out-of-bounds Read
CWE-190 - Integer Overflow or Wraparound
CWE-407 - Inefficient Algorithmic Complexity
CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
CWE-470 - Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
CWE-502 - Deserialization of Untrusted Data
CWE-674 - Uncontrolled Recursion
CWE-789 - Memory Allocation with Excessive Size Value
CWE-1188 - Insecure Default Initialization of Resource

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/MessagePack-CSharp/MessagePack…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
MessagePack-CSharp	MessagePack-CSharp	Affected: >= 3.1.7, < 3.1.7 Affected: < 2.5.301

Show details on NVD website

JSON

To clipboard

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CVE-2026-48044 (GCVE-0-2026-48044)

Vulnerability from cvelistv5 – Published: 2026-06-26 17:31 – Updated: 2026-06-26 18:31

Title

Envoy Zstd Decompressor: Ratio Check at Wrong Loop Depth lead to memory explosion

Summary

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.23.0 until 1.35.11, 1.36.7, 1.37.3, and 1.38.1, a vulnerability has been identified in Envoy's zstd decompressor implementation (ZstdDecompressorImpl). When zstd decompression is enabled, processing a specially crafted, highly compressed zstd payload can lead to massive memory allocation. An attacker can exploit this to cause severe memory exhaustion, potentially resulting in an Out-Of-Memory (OOM) kill and Denial of Service (DoS) for the Envoy proxy. This vulnerability is fixed in 1.35.11, 1.36.7, 1.37.3, and 1.38.1.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-26 18:31 UTC

CWE

CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/envoyproxy/envoy/security/advi…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
envoyproxy	envoy	Affected: >= 1.38.0, < 1.38.1 Affected: >= 1.37.0, < 1.37.3 Affected: >= 1.36.0, < 1.36.7 Affected: >= 1.23.0, < 1.35.11

Show details on NVD website

JSON

To clipboard

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CVE-2026-47321 (GCVE-0-2026-47321)

Vulnerability from cvelistv5 – Published: 2026-09-21 07:43 – Updated: 2026-09-21 18:09

Title

Apache MINA: Unbounded Decompression Amplification DoS in Zlib.inflate

Summary

The CompressionFilter class uses ZLib to deflate and inflate data sent and received. When we inflate incoming data, the filter does not control the resulting size, and create a buffer no matter what. Some compressed data may have a compression ration greater than 1 thousand, leading to an exhaustion of the application memory, as we don't control the deflated size. The fix adds such a control by allowing the application developer to provide a fixed size limit, which when reached throws an exception. It also allows the user to provide a compression ratio that should not be exceeded, protected the application from small inflated files that inflate in gigantic files, but with a grace limit for the resulting size (1Mb) to avoid false positive (like a very small file inflating with a high ratio, but resulting with a acceptable size, like a few thousands bytes) For application using this feature, it is highly recommended to create the CompressionFilter and to pass the maximum limit as a forth constructor parameter, maxDecompressedSize: public CompressionFilter(final boolean compressInbound, final boolean compressOutbound, final int compressionLevel, final int maxDecompressedSize)Optionally one can also provide a maxDecompressRatio fifth parameter, and a decompressRatioMinSize sixth parameter to allow small inflated files with a high compression ratio to still be accepted. Here are the additional constructor: public CompressionFilter(final boolean compressInbound, final boolean compressOutbound, final int compressionLevel, final int maxDecompressedSize, final long maxDecompressRatio, final long decompressRatioMinSize) Also note that a fluent API has been added to spare the users the pain to call a constructor with that many parameters: CompressionFilter compressionFilter = new CompressionFilter() .setCompressionLevel(Zlib.COMPRESSION_MAX) .setMaxDecompressedSize(1_000_000) .setMaxDecompressRatio(100). .setDecompressRatioMinSize(100_000); Applications using Apache MINA are advised to upgrade and configure their CompressionFilter instance.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-21 14:00 UTC

CWE

CWE-409 - Improper Handling of Highly Compressed Data — Data Amplification
CWE-789 - Memory Allocation with Excessive Size Value

Assigner

apache mitre root Scorecard

References

2 references

URL	Tags
https://lists.apache.org/thread/y7xj1bl8qo47p9bkt…	mailing-listvendor-advisory
http://www.openwall.com/lists/oss-security/2026/09/21/1

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache MINA	Affected: 2.2.0 , < 2.2.8 (maven) Affected: 2.1.0 , < 2.1.13 (maven) Affected: 2.0.0 , < 2.0.29 (maven)

Credits

Venkatraman Kumar, SecurIn

Show details on NVD website

JSON

To clipboard

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CVE-2026-46387 (GCVE-0-2026-46387)

Vulnerability from cvelistv5 – Published: 2026-09-10 14:10 – Updated: 2026-09-10 14:58

Title

Suricata http2: decompression bomb can cause denial of service in Suricata

Summary

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, Suricata's HTTP/2 decompression path could grow the decompressed response-body buffer without an effective upper bound. A crafted HTTP/2 DATA payload using a high compression ratio, such as gzip, deflate, or brotli compressed data, could cause Suricata to allocate excessive memory while decompressing the payload. Versions 7.0.16 and 8.0.5 contain a fix. As a workaround, disable HTTP2.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-10 14:57 UTC

CWE

CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)

Assigner

GitHub_M mitre root Scorecard

References

3 references

URL	Tags
https://github.com/OISF/suricata/security/advisor…	x_refsource_CONFIRM
https://forum.suricata.io/t/suricata-8-0-5-and-7-…	x_refsource_MISC
https://redmine.openinfosecfoundation.org/issues/8513	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
OISF	suricata	Affected: < 7.0.16 Affected: >= 8.0.0, < 8.0.5

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-46387",
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CVE-2026-44981 (GCVE-0-2026-44981)

Vulnerability from cvelistv5 – Published: 2026-07-16 19:47 – Updated: 2026-07-17 13:50

Title

CrowdSec LAPI: Denial of Service via Unbounded Gzip Decompression

Summary

CrowdSec offers crowdsourced protection against malicious IPs. From 1.7.0 until 1.7.8, the LAPI router used gin-contrib/gzip with DefaultDecompressHandle globally in pkg/apiserver/controllers/controller.go, causing /v1/watchers and /v1/watchers/login to decompress unauthenticated gzip-compressed JSON request bodies without enforcing a maximum decompressed size and allowing excessive heap allocation that can make LAPI unreachable. This issue is fixed in version 1.7.8.

Severity

8.2 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-17 13:50 UTC

CWE

CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)

Assigner

GitHub_M mitre root Scorecard

References

3 references

URL	Tags
https://github.com/crowdsecurity/crowdsec/securit…	x_refsource_CONFIRM
https://github.com/crowdsecurity/crowdsec/commit/…	x_refsource_MISC
https://github.com/crowdsecurity/crowdsec/commit/…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
crowdsecurity	crowdsec	Affected: >= 1.7.0, < 1.7.8

Show details on NVD website

JSON

To clipboard

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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-44697 (GCVE-0-2026-44697)

Vulnerability from cvelistv5 – Published: 2026-05-29 17:14 – Updated: 2026-07-21 19:50

Title

Klever-Go MultiDataInterceptor: remote OOM via crafted compressed P2P payload

Summary

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.17, a remote, unauthenticated denial-of-service vulnerability in Batch.Decompress (data/batch/batch.go) allows any peer that participates in a topic served by MultiDataInterceptor to allocate multi-gigabyte heaps on the receiving node from a sub-50 KiB gossip payload. A single packet is sufficient to OOM-kill a validator with conventional memory provisioning. Fleet-wide application affects chain liveness. This vulnerability is fixed in 1.7.17.

Severity

8.6 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-02 01:46 UTC

CWE

CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/klever-io/klever-go/security/a…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
klever-io	klever-go	Affected: < 1.7.17

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-44697",
                "options": [
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                    "Exploitation": "poc"
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2026-06-02T01:46:56.436900Z",
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        "providerMetadata": {
          "dateUpdated": "2026-06-02T01:47:29.036Z",
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            "tags": [
              "exploit"
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            "url": "https://github.com/klever-io/klever-go/security/advisories/GHSA-87m7-qffr-542v"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "klever-go",
          "vendor": "klever-io",
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      "descriptions": [
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      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
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      "providerMetadata": {
        "dateUpdated": "2026-07-21T19:50:26.647Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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      "source": {
        "advisory": "GHSA-87m7-qffr-542v",
        "discovery": "UNKNOWN"
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      "title": "Klever-Go MultiDataInterceptor: remote OOM via crafted compressed P2P payload"
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  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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CVE-2026-44432 (GCVE-0-2026-44432)

Vulnerability from cvelistv5 – Published: 2026-05-13 15:17 – Updated: 2026-09-10 12:04

Title

urllib3: Decompression-bomb safeguards bypassed in parts of the streaming API

Summary

urllib3 is an HTTP client library for Python. From 2.6.0 to before 2.7.0, urllib3 could decompress the whole response instead of the requested portion (1) during the second HTTPResponse.read(amt=N) call when the response was decompressed using the official Brotli library or (2) when HTTPResponse.drain_conn() was called after the response had been read and decompressed partially (compression algorithm did not matter here). These issues could cause urllib3 to fully decode a small amount of highly compressed data in a single operation. This could result in excessive resource consumption (high CPU usage and massive memory allocation for the decompressed data) on the client side. This vulnerability is fixed in 2.7.0.

Severity

8.9 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-15 18:17 UTC

CWE

CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)

Assigner

GitHub_M mitre root Scorecard

References

62 references

URL	Tags
https://github.com/urllib3/urllib3/security/advis…	x_refsource_CONFIRM
https://access.redhat.com/security/cve/CVE-2026-44432	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2477154	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:42078	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:34160	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42079	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:27929	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:32992	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:28159	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:28157	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:28000	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:60362	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:60371	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:59409	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:28158	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30078	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30089	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30088	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30087	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24542	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24540	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24544	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24541	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42144	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42132	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:34374	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:25928	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20338	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33313	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:25039	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7634	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24069	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:25143	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24014	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24374	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7625	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24000	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24009	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22934	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:15862	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:56347	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:43038	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42644	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:37275	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33683	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30076	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42796	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:41066	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:28571	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:36350	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:26304	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:26212	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:51206	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:34607	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:34531	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:34526	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:34533	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24476	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24483	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:44481	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:58981	vendor-advisoryx_refsource_REDHAT

Impacted products

113 products

Vendor	Product	Version
urllib3	urllib3	Affected: >= 2.6.0, < 2.7.0
Red Hat	Red Hat Ansible Automation Platform 2.5 for RHEL 8	Unaffected: 0:4.6.30-2.el8ap , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.5::el8
Red Hat	Red Hat Ansible Automation Platform 2.5 for RHEL 9	Unaffected: 0:4.6.30-2.el9ap , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.5::el9
Red Hat	Red Hat Ansible Automation Platform 2.6 for RHEL 9	Unaffected: 0:2.7.0-1.el9ap , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.6::el9
Red Hat	Red Hat Ansible Automation Platform 2.6 for RHEL 9	Unaffected: 0:4.7.14-3.el9ap , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.6::el9
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:2.6.3-2.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:1.26.19-4.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:1.26.19-3.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:2.6.3-2.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:1.26.19-3.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:1.26.5-8.el9_8 , < * (rpm) cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	Unaffected: 0:1.26.5-3.el9_2.4 , < * (rpm) cpe:/o:redhat:rhel_e4s:9.2
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	Unaffected: 0:1.26.5-5.el9_4.4 , < * (rpm) cpe:/o:redhat:rhel_e4s:9.4
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:1.26.5-6.el9_6.2 , < * (rpm) cpe:/o:redhat:rhel_eus:9.6
Red Hat	Red Hat AI Inference Server 3.3	Unaffected: 1782352950 , < * (rpm) cpe:/a:redhat:ai_inference_server:3.3::el9
Red Hat	Red Hat AI Inference Server 3.3	Unaffected: 1782352919 , < * (rpm) cpe:/a:redhat:ai_inference_server:3.3::el9
Red Hat	Red Hat AI Inference Server 3.3	Unaffected: 1782353093 , < * (rpm) cpe:/a:redhat:ai_inference_server:3.3::el9
Red Hat	Red Hat AI Inference Server 3.3	Unaffected: 1782352847 , < * (rpm) cpe:/a:redhat:ai_inference_server:3.3::el9
Red Hat	Red Hat AI Inference Server 3.4	Unaffected: 1780356811 , < * (rpm) cpe:/a:redhat:ai_inference_server:3.4::el9
Red Hat	Red Hat AI Inference Server 3.4	Unaffected: 1780356904 , < * (rpm) cpe:/a:redhat:ai_inference_server:3.4::el9
Red Hat	Red Hat AI Inference Server 3.4	Unaffected: 1780356941 , < * (rpm) cpe:/a:redhat:ai_inference_server:3.4::el9
Red Hat	Red Hat AI Inference Server 3.4	Unaffected: 1780356914 , < * (rpm) cpe:/a:redhat:ai_inference_server:3.4::el9
Red Hat	Red Hat Ansible Automation Platform 2.5	Unaffected: 1784050598 , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.5::el8
Red Hat	Red Hat Ansible Automation Platform 2.6	Unaffected: 1782761510 , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.6::el9
Red Hat	Red Hat Ansible Automation Platform 2.6	Unaffected: 1782650747 , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.6::el9
Red Hat	Red Hat Ansible Automation Platform 2.6	Unaffected: 1783973764 , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.6::el9
Red Hat	Red Hat Ansible Automation Platform 2.6	Unaffected: 1783921549 , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.6::el9
Red Hat	Red Hat Ansible Automation Platform 2.6	Unaffected: 1783923629 , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.6::el9
Red Hat	Red Hat Ansible Automation Platform 2.6	Unaffected: 1783969139 , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.6::el9
Red Hat	Red Hat Ansible Automation Platform 2.7	Unaffected: 1781028735 , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.7::el9
Red Hat	Red Hat Ansible Automation Platform 2.7	Unaffected: 1781102816 , < * (rpm) cpe:/a:redhat:ansible_automation_platform:2.7::el9
Red Hat	Red Hat Discovery 2	Unaffected: 1779395228 , < * (rpm) cpe:/a:redhat:discovery:2::el9
Red Hat	Red Hat Discovery 2	Unaffected: 1782756541 , < * (rpm) cpe:/a:redhat:discovery:2::el9
Red Hat	Red Hat Hardened Images	Unaffected: 0.69.3-1.2.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 1.96.0-1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 1.2.1-2.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 2.7.0-3.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 48.0.0-3.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 21.1.8-6.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 2026.5.1-1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 2.19.0-1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 11.8.8-1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 2.48.0-4.1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Hardened Images	Unaffected: 21.1.8-1.1.hum1 , < * (rpm) cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat Migration Toolkit for Applications 8.2	Unaffected: 1784109883 , < * (rpm) cpe:/a:redhat:migration_toolkit_applications:8.2::el9
Red Hat	Red Hat Migration Toolkit for Applications 8.2	Unaffected: 1786481481 , < * (rpm) cpe:/a:redhat:migration_toolkit_applications:8.2::el9
Red Hat	Red Hat OpenShift AI 2.25	Unaffected: 1783024305 , < * (rpm) cpe:/a:redhat:openshift_ai:2.25::el9
Red Hat	Red Hat OpenShift AI 2.25	Unaffected: 1783701598 , < * (rpm) cpe:/a:redhat:openshift_ai:2.25::el9
Red Hat	Red Hat OpenShift AI 2.25	Unaffected: 1783342900 , < * (rpm) cpe:/a:redhat:openshift_ai:2.25::el9
Red Hat	Red Hat OpenShift AI 2.25	Unaffected: 1783112979 , < * (rpm) cpe:/a:redhat:openshift_ai:2.25::el9
Red Hat	Red Hat OpenShift AI 2.25	Unaffected: 1783091175 , < * (rpm) cpe:/a:redhat:openshift_ai:2.25::el9
Red Hat	Red Hat OpenShift AI 2.25	Unaffected: 1783998774 , < * (rpm) cpe:/a:redhat:openshift_ai:2.25::el9
Red Hat	Red Hat OpenShift AI 2.25	Unaffected: 1783998857 , < * (rpm) cpe:/a:redhat:openshift_ai:2.25::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1783010225 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1782917849 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1782887848 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1782854229 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1782471555 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1782471579 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1783073038 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1782991170 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1782471656 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1782471663 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1783069204 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat OpenShift AI 3.3	Unaffected: 1782472374 , < * (rpm) cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat	Red Hat Quay 3.10	Unaffected: 1782487717 , < * (rpm) cpe:/a:redhat:quay:3.10::el8
Red Hat	Red Hat Quay 3.12	Unaffected: 1781937357 , < * (rpm) cpe:/a:redhat:quay:3.12::el8
Red Hat	Red Hat Quay 3.15	Unaffected: 1784351966 , < * (rpm) cpe:/a:redhat:quay:3.15::el8
Red Hat	Red Hat Quay 3.16	Unaffected: 1783955846 , < * (rpm) cpe:/a:redhat:quay:3.16::el9
Red Hat	Red Hat Quay 3.9	Unaffected: 1781878070 , < * (rpm) cpe:/a:redhat:quay:3.9::el8
Red Hat	Red Hat Satellite 6.18	Unaffected: 1779792651 , < * (rpm) cpe:/a:redhat:satellite:6.18::el9
Red Hat	Red Hat Satellite 6.18	Unaffected: 1779711334 , < * (rpm) cpe:/a:redhat:satellite:6.18::el9
Red Hat	Red Hat Satellite 6.18	Unaffected: 1782739344 , < * (rpm) cpe:/a:redhat:satellite:6.18::el9
Red Hat	Red Hat Satellite 6.19	Unaffected: 1782139619 , < * (rpm) cpe:/a:redhat:satellite:6.19::el9
Red Hat	Red Hat Satellite 6.19	Unaffected: 1780393451 , < * (rpm) cpe:/a:redhat:satellite:6.19::el9
Red Hat	Red Hat Satellite 6.19	Unaffected: 1782380482 , < * (rpm) cpe:/a:redhat:satellite:6.19::el9
Red Hat	Red Hat Satellite 6.19	Unaffected: 1782448455 , < * (rpm) cpe:/a:redhat:satellite:6.19::el9
Red Hat	Red Hat Satellite 6.19	Unaffected: 1784558259 , < * (rpm) cpe:/a:redhat:satellite:6.19::el9
Red Hat	Red Hat Trusted Artifact Signer 1.3	Unaffected: 1780560117 , < * (rpm) cpe:/a:redhat:trusted_artifact_signer:1.3::el9
Red Hat	Red Hat Trusted Artifact Signer 1.4	Unaffected: 1780914886 , < * (rpm) cpe:/a:redhat:trusted_artifact_signer:1.4::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1784794818 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1784794778 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1784795112 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1784794289 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1784795076 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1787241211 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1787135742 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Red Hat Update Infrastructure 5	Unaffected: 1787241260 , < * (rpm) cpe:/a:redhat:rhui:5::el9
Red Hat	Exploit Intelligence	cpe:/a:redhat:exploit_intelligence:0
Red Hat	External Secrets Operator for Red Hat OpenShift	cpe:/a:redhat:external_secrets_operator:1
Red Hat	Migration Toolkit for Containers	cpe:/a:redhat:rhmt:1
Red Hat	Migration Toolkit for Virtualization	cpe:/a:redhat:migration_toolkit_virtualization:2
Red Hat	OpenShift Lightspeed	cpe:/a:redhat:openshift_lightspeed
Red Hat	OpenShift Service Mesh 3	cpe:/a:redhat:service_mesh:3
Red Hat	Pen Drive Powered by Red Hat Lightspeed	cpe:/a:redhat:pdrive_lightspeed:0 cpe:/a:redhat:pdrive_lightspeed:1
Red Hat	Red Hat AI Inference Server	cpe:/a:redhat:ai_inference_server:3
Red Hat	Red Hat Ansible Automation Platform 2	cpe:/a:redhat:ansible_automation_platform:2
Red Hat	Red Hat build of Quarkus Native builder	cpe:/a:redhat:quarkus:3
Red Hat	Red Hat Developer Hub	cpe:/a:redhat:rhdh:1
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux AI (RHEL AI) 3	cpe:/a:redhat:enterprise_linux_ai:3
Red Hat	Red Hat Hardened Images	cpe:/a:redhat:hummingbird:1
Red Hat	Red Hat OpenShift AI (RHOAI)	cpe:/a:redhat:openshift_ai
Red Hat	Red Hat OpenShift Container Platform 4	cpe:/a:redhat:openshift:4
Red Hat	Red Hat OpenShift Virtualization 4	cpe:/a:redhat:container_native_virtualization:4
Red Hat	Red Hat OpenStack Platform 17.1	cpe:/a:redhat:openstack:17.1
Red Hat	Red Hat Satellite 6	cpe:/a:redhat:satellite:6
Red Hat	Red Hat Update Infrastructure 4 for Cloud Providers	cpe:/a:redhat:rhui:4::el8
Red Hat	Service Telemetry Framework 1.5	cpe:/a:redhat:stf:1.5

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{
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        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2026-44432",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-15T18:17:39.119999Z",
                "version": "2.0.3"
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              "type": "ssvc"
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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            "product": "Red Hat Ansible Automation Platform 2.7",
            "vendor": "Red Hat",
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          {
            "collectionURL": "https://catalog.redhat.com/software/containers/",
            "cpes": [
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            "defaultStatus": "affected",
            "packageName": "discovery/discovery-server-rhel9",
            "product": "Red Hat Discovery 2",
            "vendor": "Red Hat",
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            "collectionURL": "https://catalog.redhat.com/software/containers/",
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            "product": "Red Hat Discovery 2",
            "vendor": "Red Hat",
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                "status": "unaffected",
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            "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
            "cpes": [
              "cpe:/a:redhat:hummingbird:1"
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            "defaultStatus": "affected",
            "packageName": "trivy-main",
            "product": "Red Hat Hardened Images",
            "vendor": "Red Hat",
            "versions": [
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                "lessThan": "*",
                "status": "unaffected",
                "version": "0.69.3-1.2.hum1",
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          "vendor": "urllib3",
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        }
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      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 8.9,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-409",
              "description": "CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)",
              "lang": "en",
              "type": "CWE"
            }
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        "dateUpdated": "2026-05-13T15:17:12.611Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
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      "source": {
        "advisory": "GHSA-mf9v-mfxr-j63j",
        "discovery": "UNKNOWN"
      },
      "title": "urllib3: Decompression-bomb safeguards bypassed in parts of the streaming API"
    }
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  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-44432",
    "datePublished": "2026-05-13T15:17:12.611Z",
    "dateReserved": "2026-05-06T14:40:00.954Z",
    "dateUpdated": "2026-09-10T12:04:48.735Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.

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