Common Weakness Enumeration
CWE-789
AllowedMemory Allocation with Excessive Size Value
Abstraction: Variant · Status: Draft
The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated.
507 vulnerabilities reference this CWE, most recent first.
CVE-2026-62370 (GCVE-0-2026-62370)
Vulnerability from cvelistv5 – Published: 2026-09-21 17:07 – Updated: 2026-09-29 15:04
VLAI
EPSS
VEX
Title
KubeEdge: Unbounded allocation in viaduct packer enables authenticated remote DoS against CloudHub
Summary
KubeEdge is an open source system for extending native containerized application orchestration capabilities to hosts at Edge. From 1.0.0 until 1.21.2, 1.22.2, and 1.23.1, Reader.Read in pkg/viaduct/pkg/packer trusts the 32-bit PackageHeader.PayloadLen received through the CloudHub viaduct message-processing path and allocates that amount of memory before validating an upper bound. An authenticated malicious or compromised edge peer can repeatedly send crafted headers with excessive declared lengths, causing memory exhaustion, CloudHub process termination or restart loops, and temporary disruption of cloud-edge communication. This issue does not provide unauthenticated access or direct code execution. This issue is fixed in versions 1.21.2, 1.22.2, and 1.23.1.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 15:03 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
13 references
| URL | Tags |
|---|---|
| https://github.com/kubeedge/kubeedge/security/adv… | x_refsource_CONFIRM |
| https://github.com/kubeedge/kubeedge/pull/7028 | x_refsource_MISC |
| https://github.com/kubeedge/kubeedge/pull/7029 | x_refsource_MISC |
| https://github.com/kubeedge/kubeedge/pull/7030 | x_refsource_MISC |
| https://github.com/kubeedge/kubeedge/commit/0fe1e… | x_refsource_MISC |
| https://github.com/kubeedge/kubeedge/commit/725a7… | x_refsource_MISC |
| https://github.com/kubeedge/kubeedge/commit/cc796… | x_refsource_MISC |
| https://github.com/kubeedge/kubeedge/blob/master/… | x_refsource_MISC |
| https://github.com/kubeedge/kubeedge/blob/master/… | x_refsource_MISC |
| https://github.com/kubeedge/kubeedge/blob/master/… | x_refsource_MISC |
| https://github.com/kubeedge/kubeedge/releases/tag… | x_refsource_MISC |
| https://github.com/kubeedge/kubeedge/releases/tag… | x_refsource_MISC |
| https://github.com/kubeedge/kubeedge/releases/tag… | x_refsource_MISC |
Impacted products
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CVE-2026-59991 (GCVE-0-2026-59991)
Vulnerability from cvelistv5 – Published: 2026-09-22 19:11 – Updated: 2026-09-22 19:37
VLAI
EPSS
VEX
Title
psd-tools: Uncontrolled memory allocation in psd-tools composite/numpy via crafted PSD geometry
Summary
psd-tools is a Python package for working with Adobe Photoshop PSD files. Prior to 1.17.4, PSDImage.composite() and PSDImage.numpy() allocated output buffers from attacker-controlled PSD header geometry, including width, height, channels, depth, and per-layer rectangles, before validating those values against the available file data. A tiny crafted PSD could therefore cause multi-gigabyte memory allocation, and PSDImage.composite() could return a black image with only a warning instead of raising an exception. Services that composite untrusted PSD files could be terminated by out-of-memory handling. This issue is fixed in version 1.17.4.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 19:36 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/psd-tools/psd-tools/security/a… | x_refsource_CONFIRM |
| https://github.com/psd-tools/psd-tools/commit/a3d… | x_refsource_MISC |
| https://github.com/psd-tools/psd-tools/releases/t… | x_refsource_MISC |
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CVE-2026-59938 (GCVE-0-2026-59938)
Vulnerability from cvelistv5 – Published: 2026-07-08 17:24 – Updated: 2026-07-09 13:58
VLAI
EPSS
VEX
Title
pypdf: Possible large memory usage for wrong image dimensions
Summary
pypdf is a free and open-source pure-python PDF library. Prior to 6.14.0, an attacker can craft a PDF with declared image size values that are much too large compared to the actual data, causing large memory usage in pypdf image parsing. This issue is fixed in version 6.14.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 13:58 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/py-pdf/pypdf/security/advisori… | x_refsource_CONFIRM |
| https://github.com/py-pdf/pypdf/pull/3888 | x_refsource_MISC |
| https://github.com/py-pdf/pypdf/commit/c64583be16… | x_refsource_MISC |
| https://github.com/py-pdf/pypdf/releases/tag/6.14.0 | x_refsource_MISC |
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CVE-2026-59844 (GCVE-0-2026-59844)
Vulnerability from cvelistv5 – Published: 2026-07-21 11:32 – Updated: 2026-09-01 20:01
VLAI
EPSS
VEX
Title
Libssh: libssh: denial of service via oversized sftp read length
Summary
A flaw was found in libssh. A remote authenticated client can issue SSH_FXP_READ requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-21 13:11 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:42922 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:55855 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:62217 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:62218 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-59844 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2498177 | issue-trackingx_refsource_REDHAT |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:0.12.0-3.el10_2 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:0.9.6-17.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream cpe:/o:redhat:enterprise_linux:8::baseos |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:0.10.4-19.el9_8 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Hardened Images |
Unaffected:
0.12.1-4.hum1 , < *
(rpm)
cpe:/a:redhat:hummingbird:1 |
Date Public
2026-07-21 11:17
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CVE-2026-59649 (GCVE-0-2026-59649)
Vulnerability from cvelistv5 – Published: 2026-08-03 00:44 – Updated: 2026-08-03 13:33
VLAI
EPSS
VEX
Title
OpenPGP user-attribute subpacket length bounded only by JVM max memory
Summary
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Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 13:33 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/bcgit/bc-java/wiki/CVE%E2%80%9… | vendor-advisory |
| https://github.com/bcgit/bc-java/commit/a43c40dc1… | patch |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Affected:
0 , < 1.85
(maven)
|
|
| Legion of the Bouncy Castle Inc. | BC-LTS-JAVA |
Affected:
2.73.0 , < 2.73.12
(maven)
|
|
| Legion of the Bouncy Castle Inc. | BC-FJA |
Affected:
1.0.0 , < 1.0.13
(maven)
Affected: 2.0.0 , < 2.0.13 (maven) Affected: 2.1.0 , < 2.1.13 (maven) |
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CVE-2026-59646 (GCVE-0-2026-59646)
Vulnerability from cvelistv5 – Published: 2026-08-03 00:48 – Updated: 2026-08-03 14:53
VLAI
EPSS
VEX
Title
DTLS handshake reassembler allocates buffer from unchecked 24-bit length
Summary
In Bouncy Castle for Java before 1.85, DTLS handshake reassembler allocates buffer from unchecked 24-bit length. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bctls-fips 1.0.24 (1.0.X series), 2.0.24 (2.0.X series) and 2.1.24 (2.1.X series).
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 14:52 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/bcgit/bc-java/wiki/CVE%E2%80%9… | vendor-advisory |
| https://github.com/bcgit/bc-java/commit/2ea38942c… | patch |
| https://github.com/bcgit/bc-java/commit/2d98721e7… | patch |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Affected:
0 , < 1.85
(maven)
|
|
| Legion of the Bouncy Castle Inc. | BC-LTS-JAVA |
Affected:
2.73.0 , < 2.73.12
(maven)
|
|
| Legion of the Bouncy Castle Inc. | BC-FJA |
Affected:
1.0.0 , < 1.0.24
(maven)
Affected: 2.0.0 , < 2.0.24 (maven) Affected: 2.1.0 , < 2.1.24 (maven) |
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CVE-2026-59204 (GCVE-0-2026-59204)
Vulnerability from cvelistv5 – Published: 2026-07-14 15:38 – Updated: 2026-07-21 18:41
VLAI
EPSS
VEX
Title
Pillow JPEG2000 tiled decode retains a growing scratch buffer and can be used for denial of service
Summary
Pillow is a Python imaging library. From 8.2.0 through 12.2.0, src/libImaging/Jpeg2KDecode.c accumulates total_component_width across every tile in a JPEG2000 image instead of recomputing it per tile, allowing a crafted tiled JPEG2000 file to force substantially higher transient memory usage and trigger out-of-memory failures during decoding. This issue is fixed in version 12.3.0.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-21 18:40 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/python-pillow/Pillow/security/… | x_refsource_CONFIRM |
| https://github.com/python-pillow/Pillow/pull/9704 | x_refsource_MISC |
| https://github.com/python-pillow/Pillow/commit/13… | x_refsource_MISC |
| https://github.com/python-pillow/Pillow/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| python-pillow | Pillow |
Affected:
>= 8.2.0, < 12.3.0
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CVE-2026-58559 (GCVE-0-2026-58559)
Vulnerability from cvelistv5 – Published: 2026-07-15 12:42 – Updated: 2026-07-15 13:03
VLAI
EPSS
VEX
Summary
DoS vulnerability in the vibration service. Impact: Successful exploitation of this vulnerability may affect availability.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 13:03 UTC
CWE
- CWE-789 - Memory allocation with excessive size value
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Huawei | Harmony OS |
Affected:
4.3.1
Affected: 4.3.0 Affected: 4.2.0 Affected: 4.0.0 |
|
| Huawei | EMUI |
Affected:
15.0.0
Affected: 14.2.0 Affected: 14.0.0 |
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CVE-2026-58268 (GCVE-0-2026-58268)
Vulnerability from cvelistv5 – Published: 2026-09-22 19:49 – Updated: 2026-09-23 12:38
VLAI
EPSS
VEX
Title
SIPGO: DoS via unvalidated Content-Length in the stream parser
Summary
SIPGO is a library for writing SIP services in the GO language. Prior to 1.4.1, ParserStream.parseSingle in sip/parser_stream.go allocates a SIP body buffer from the client-controlled Content-Length header before ParseMaxMessageLength is enforced. An unauthenticated peer can send a stream-transport message over TCP, TLS, WS, or WSS with an oversized declared length, causing excessive memory allocation and denial of service before the body is read. This issue is fixed in version 1.4.1.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 12:38 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/emiago/sipgo/security/advisori… | x_refsource_CONFIRM |
| https://github.com/emiago/sipgo/commit/a7be60a07f… | x_refsource_MISC |
| https://github.com/emiago/sipgo/releases/tag/v1.4.1 | x_refsource_MISC |
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CVE-2026-58067 (GCVE-0-2026-58067)
Vulnerability from cvelistv5 – Published: 2026-08-04 15:56 – Updated: 2026-08-04 17:20
VLAI
EPSS
VEX
Summary
A vulnerability in Veeam Service Provider Console allowing an unauthenticated attacker to exhaust host memory and cause adenial of service.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 17:12 UTC
CWE
- CWE-789 - Memory Allocation with Excessive Size Value
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.veeam.com/kb4893 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Veeam | Service Provider Console |
Affected:
0 , < 9.3
(semver)
|
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Mitigation
Implementation
Architecture and Design
Perform adequate input validation against any value that influences the amount of memory that is allocated. Define an appropriate strategy for handling requests that exceed the limit, and consider supporting a configuration option so that the administrator can extend the amount of memory to be used if necessary.
Mitigation
Operation
Run your program using system-provided resource limits for memory. This might still cause the program to crash or exit, but the impact to the rest of the system will be minimized.
No CAPEC attack patterns related to this CWE.