Common Weakness Enumeration

CWE-416

Allowed

Use After Free

Abstraction: Variant · Status: Stable

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

11157 vulnerabilities reference this CWE, most recent first.

CVE-2026-20411 (GCVE-0-2026-20411)

Vulnerability from cvelistv5 – Published: 2026-02-02 08:15 – Updated: 2026-03-30 13:03
VLAI
Summary
In cameraisp, there is a possible escalation of privilege due to use after free. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10351676; Issue ID: MSV-5737.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-03 04:55 UTC
CWE
Impacted products
Vendor Product Version
MediaTek, Inc. MediaTek chipset Affected: MT6878
Affected: MT6879
Affected: MT6881
Affected: MT6886
Affected: MT6895
Affected: MT6897
Affected: MT6899
Affected: MT6983
Affected: MT6985
Affected: MT6989
Affected: MT6991
Affected: MT6993
Affected: MT8168
Affected: MT8188
Affected: MT8195
Affected: MT8365
Affected: MT8370
Affected: MT8390
Affected: MT8395
Affected: MT8666
Affected: MT8667
Affected: MT8673
Affected: MT8676
Affected: MT8793
Create a notification for this product.
Show details on NVD website

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CVE-2026-19666 (GCVE-0-2026-19666)

Vulnerability from cvelistv5 – Published: 2026-09-16 14:02 – Updated: 2026-09-17 17:38
VLAI
Title
Use-after-free in query_addnoqnameproof() via the DNS64 filter64 path
Summary
On a resolver configured to use ``dns64``, if an applicable answer from the authoritative server is malformed in a specific way, the resolver `named` process will exit unexpectedly. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 17:38 UTC
CWE
Impacted products
Vendor Product Version
ISC BIND 9 Affected: 9.11.0 , ≤ 9.18.50 (custom)
Affected: 9.20.0 , ≤ 9.20.27 (custom)
Affected: 9.21.0 , ≤ 9.21.25 (custom)
Affected: 9.11.3-S1 , ≤ 9.18.50-S1 (custom)
Affected: 9.20.9-S1 , ≤ 9.20.27-S1 (custom)
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    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-16 00:00
Show details on NVD website

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CVE-2026-19662 (GCVE-0-2026-19662)

Vulnerability from cvelistv5 – Published: 2026-09-16 13:50 – Updated: 2026-09-17 18:45
VLAI
Title
qpcache NOQNAME proof use-after-free crashes recursive resolver
Summary
An attacker may be able to cause a `named` resolver to abort. The attack requires inducing the victim resolver to send multiple queries for a DNSSEC-signed zone hosted by an authoritative server under the control of the attacker. If the auth responds with a particular sequence of crafted answers, and those answers arrive in a particular order with particular timing, the `named` resolver will encounter a use-after-free bug, and abort. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 18:44 UTC
CWE
References
Impacted products
Vendor Product Version
ISC BIND 9 Affected: 9.11.0 , ≤ 9.18.50 (custom)
Affected: 9.20.0 , ≤ 9.20.27 (custom)
Affected: 9.11.3-S1 , ≤ 9.18.50-S1 (custom)
Affected: 9.20.9-S1 , ≤ 9.20.27-S1 (custom)
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    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
    cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-16 00:00
Show details on NVD website

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CVE-2026-19548 (GCVE-0-2026-19548)

Vulnerability from cvelistv5 – Published: 2026-08-12 15:51 – Updated: 2026-09-01 12:48
VLAI
Title
Binutils: binutils: multiple use-after-free in add_archive_element via lto plugin processing
Summary
Multiple Use-After-Free vulnerabilities were found in the add_archive_element function in ld/ldmain.c of the GNU linker (ld), a component of binutils. The root cause is that plugin_maybe_claim() in ld/plugin.c frees the original BFD object via bfd_close/_bfd_delete_bfd when entry->the_bfd->my_archive == NULL, but the caller retains both the original abfd parameter and a shallow copy (orig_input.the_bfd) as dangling pointers. These dangling pointers are subsequently dereferenced at three distinct locations in add_archive_element: 1. Line ~1442: accessing abfd->my_archive via bfd_usrdata(abfd->my_archive) 2. Line ~1493: multiple accesses to abfd and abfd->my_archive in a conditional check and bfd_get_filename call 3. Line ~1525: dereferencing the shallow copy orig_input.the_bfd->my_archive in trace/verbose logging The vulnerability is triggered when LTO plugins are active (link_info.lto_plugin_active is true) and the input object has abfd->my_archive == NULL, which is a valid state for standalone object files. Red Hat builds binutils with --enable-plugins and --enable-lto, confirming the vulnerable code path is compiled in and reachable. An attacker who can supply a crafted object or archive file to a build process using LTO-enabled linking could exploit this flaw to cause a denial of service (linker crash via segmentation fault). Arbitrary code execution is theoretically possible through heap manipulation but is substantially mitigated by hardening measures including stack protector, FORTIFY_SOURCE, ASLR, and PIE. The attack surface is limited to build-time environments — the linker is a development tool not exposed in production runtime. The most realistic exploitation scenario is a supply chain attack introducing a crafted object file as a build dependency in CI/CD pipelines or development environments.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 16:52 UTC
CWE
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-19548 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2507832 issue-trackingx_refsource_REDHAT
Date Public
2026-08-12 13:40
Show details on NVD website

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CVE-2026-19445 (GCVE-0-2026-19445)

Vulnerability from cvelistv5 – Published: 2026-09-30 16:16 – Updated: 2026-10-03 00:36
VLAI
Title
Use-after-free of a server-side SSLContext when sni_callback switches contexts
Summary
A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its sni_callback assigns a different context to SSLSocket.context (the documented way to select a certificate per server name) and nothing else keeps the original ssl.SSLContext alive. Typical cases are servers that create an SSLContext per connection or replace it while connections are open; servers that wrap their listening socket with it are not affected. Mitigation: keep a reference to every SSLContext that sets sni_callback for the lifetime of the server. TLS clients are not affected.
CWE
Impacted products
Vendor Product Version
Python Software Foundation CPython Affected: 0 , < 3.10.22 (python)
Affected: 3.11.0 , < 3.11.17 (python)
Affected: 3.12.0 , < 3.12.15 (python)
Affected: 3.13.0 , < 3.13.16 (python)
Affected: 3.14.0 , < 3.14.8 (python)
Affected: 3.15.0a1 , < 3.15.0rc3 (python)
Create a notification for this product.
Show details on NVD website

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CVE-2026-19316 (GCVE-0-2026-19316)

Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
Title
Fireware OS Pre-Authentication Double Free in iked Allows Denial of Service (DoS)
Summary
A double-free vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:42 UTC
References
Impacted products
Vendor Product Version
WatchGuard Fireware OS Affected: 2025.0 , < 2026.2.2 (custom)
Affected: 12.0 , < 12.12.2 (custom)
Affected: 2026.3 , < 2026.3.1 (custom)
Create a notification for this product.
WatchGuard Fireware OS Affected: 12.0 , < 12.5.20 (custom)
Create a notification for this product.
Date Public
2026-08-27 23:24
Show details on NVD website

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CVE-2026-19108 (GCVE-0-2026-19108)

Vulnerability from cvelistv5 – Published: 2026-08-06 20:30 – Updated: 2026-08-08 02:36 X_Open Source
VLAI
Title
MZ Automation libiec61850 URCB Revalidation reporting.c deleteDataSetValuesShadowBuffer use after free
Summary
A vulnerability was found in MZ Automation libiec61850 up to 1.6.1. The affected element is the function deleteDataSetValuesShadowBuffer of the file src/iec61850/server/mms_mapping/reporting.c of the component URCB Revalidation. The manipulation results in use after free. The attack needs to be approached locally. The exploit has been made public and could be used. Upgrading to version 1.6.2 is sufficient to fix this issue. The patch is identified as 486fd57f3aed65bb9d636ff00f9ddce2e450b168. Upgrading the affected component is advised.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-08 02:36 UTC
CWE
Impacted products
Vendor Product Version
MZ Automation libiec61850 Affected: 1.6.0
Affected: 1.6.1
Unaffected: 1.6.2
    cpe:2.3:a:mz_automation:libiec61850:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-18924 (GCVE-0-2026-18924)

Vulnerability from cvelistv5 – Published: 2026-09-06 17:47 – Updated: 2026-09-15 06:02
VLAI
Title
HTTP/2 server push UAF
Summary
A flaw in libcurl's handling of HTTP/2 Server Push streams, when the parent handle is set to share connections with other handles, can lead to use-after-free in the cleanup process.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 15:40 UTC
CWE
Impacted products
Vendor Product Version
curl curl Affected: 7.44.0 , < 8.14.2 (semver)
Affected: 8.15.0 , < 8.16.1 (semver)
Affected: 8.17.0 , < 8.20.1 (semver)
Affected: 8.21.0 , < 8.22.0 (semver)
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curl curl Affected: ea7134ac874a66107e54ff93657ac565cf2ec4aa , < 90325ff0444cbdff368bda5d26d6405a0bb6ee43 (git)
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curl curl Affected: 8.21.0
Affected: 8.20.0
Affected: 8.19.0
Affected: 8.18.0
Affected: 8.17.0
Affected: 8.16.0
Affected: 8.15.0
Affected: 8.14.1
Affected: 8.14.0
Affected: 8.13.0
Affected: 8.12.1
Affected: 8.12.0
Affected: 8.11.1
Affected: 8.11.0
Affected: 8.10.1
Affected: 8.10.0
Affected: 8.9.1
Affected: 8.9.0
Affected: 8.8.0
Affected: 8.7.1
Affected: 8.7.0
Affected: 8.6.0
Affected: 8.5.0
Affected: 8.4.0
Affected: 8.3.0
Affected: 8.2.1
Affected: 8.2.0
Affected: 8.1.2
Affected: 8.1.1
Affected: 8.1.0
Affected: 8.0.1
Affected: 8.0.0
Affected: 7.88.1
Affected: 7.88.0
Affected: 7.87.0
Affected: 7.86.0
Affected: 7.85.0
Affected: 7.84.0
Affected: 7.83.1
Affected: 7.83.0
Affected: 7.82.0
Affected: 7.81.0
Affected: 7.80.0
Affected: 7.79.1
Affected: 7.79.0
Affected: 7.78.0
Affected: 7.77.0
Affected: 7.76.1
Affected: 7.76.0
Affected: 7.75.0
Affected: 7.74.0
Affected: 7.73.0
Affected: 7.72.0
Affected: 7.71.1
Affected: 7.71.0
Affected: 7.70.0
Affected: 7.69.1
Affected: 7.69.0
Affected: 7.68.0
Affected: 7.67.0
Affected: 7.66.0
Affected: 7.65.3
Affected: 7.65.2
Affected: 7.65.1
Affected: 7.65.0
Affected: 7.64.1
Affected: 7.64.0
Affected: 7.63.0
Affected: 7.62.0
Affected: 7.61.1
Affected: 7.61.0
Affected: 7.60.0
Affected: 7.59.0
Affected: 7.58.0
Affected: 7.57.0
Affected: 7.56.1
Affected: 7.56.0
Affected: 7.55.1
Affected: 7.55.0
Affected: 7.54.1
Affected: 7.54.0
Affected: 7.53.1
Affected: 7.53.0
Affected: 7.52.1
Affected: 7.52.0
Affected: 7.51.0
Affected: 7.50.3
Affected: 7.50.2
Affected: 7.50.1
Affected: 7.50.0
Affected: 7.49.1
Affected: 7.49.0
Affected: 7.48.0
Affected: 7.47.1
Affected: 7.47.0
Affected: 7.46.0
Affected: 7.45.0
Affected: 7.44.0
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Show details on NVD website

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CVE-2026-18785 (GCVE-0-2026-18785)

Vulnerability from cvelistv5 – Published: 2026-08-04 16:45 – Updated: 2026-08-04 17:35
VLAI
Title
o6 open62541 client_types_custom.c UA_Client_getRemoteDataTypes use after free
Summary
A vulnerability was determined in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b. Impacted is the function UA_Client_getRemoteDataTypes of the file examples/custom_datatype/client_types_custom.c. Executing a manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project closed the issue report, stating that this is not the official way to report a security vulnerability.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 17:30 UTC
CWE
References
URL Tags
https://vuldb.com/vuln/385787 vdb-entrytechnical-description
https://vuldb.com/vuln/385787/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-18785 third-party-advisory
https://vuldb.com/submit/857052 third-party-advisory
https://github.com/open62541/open62541/issues/8131 issue-tracking
https://github.com/gff-cw/information/issues/12 exploitissue-tracking
Impacted products
Vendor Product Version
o6 open62541 Affected: ca356b088ada7dee824d1b4acd07c1ff07ce242b
    cpe:2.3:a:open62541:open62541:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-18711 (GCVE-0-2026-18711)

Vulnerability from cvelistv5 – Published: 2026-08-11 18:48 – Updated: 2026-08-11 20:18
VLAI
Title
Use-After-Free in MongoDB Query Execution Engine Leads to Denial of Service and Potential Memory Disclosure
Summary
An issue in MongoDB Server's query execution engine could allow an authenticated user with read and write privileges to cause an internal reference to be used after the underlying memory has been freed, when running certain queries against time-series collections. This could result in a server crash or disclosure of freed memory contents within query results.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 20:18 UTC
CWE
References
Impacted products
Vendor Product Version
MongoDB MongoDB Server Affected: 8.3.0 , < 8.3.8 (semver)
Affected: 8.0 , < 8.0.29 (semver)
Create a notification for this product.
Show details on NVD website

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Mitigation
Architecture and Design

Strategy: Language Selection

Choose a language that provides automatic memory management.

Mitigation
Implementation

Strategy: Attack Surface Reduction

When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.

No CAPEC attack patterns related to this CWE.