Common Weakness Enumeration
CWE-416
AllowedUse 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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
12198 vulnerabilities reference this CWE, most recent first.
CVE-2026-10536 (GCVE-0-2026-10536)
Vulnerability from cvelistv5 – Published: 2026-07-03 06:11 – Updated: 2026-09-15 06:02
VLAI
EPSS
VEX
Title
HTTP/2 stream-dependency tree UAF
Summary
A use-after-free vulnerability exists in libcurl when an application
configures an HTTP/2 stream-dependency tree via `CURLOPT_STREAM_DEPENDS` or
`CURLOPT_STREAM_DEPENDS_E`, subsequently invokes `curl_easy_reset()`, and
finally terminates the handle with `curl_easy_cleanup()`. During this final
cleanup phase, libcurl attempts to access and modify an internal structure
that was already freed during the reset operation.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 18:28 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
7.88.0 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.20.1 (semver) |
|
| curl | curl |
Affected:
71b7e0161032927cdfb4e75ea40f65b8898b3956 , < bfbff7852f050232edd3e5ca5c6bf2021c340f5a
(git)
|
|
| curl | curl |
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 |
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CVE-2026-10232 (GCVE-0-2026-10232)
Vulnerability from cvelistv5 – Published: 2026-06-01 06:30 – Updated: 2026-06-02 15:05
VLAI
EPSS
VEX
Title
Assimp ASE File scene.cpp ~aiNode use after free
Summary
A weakness has been identified in Assimp up to 6.0.4. Affected by this vulnerability is the function aiNode::~aiNode of the file scene.cpp of the component ASE File Parser. Executing a manipulation can lead to use after free. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project tagged the reported issue as bug.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-02 15:05 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/367511 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/367511/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-10232 | third-party-advisory |
| https://vuldb.com/submit/821192 | third-party-advisory |
| https://github.com/assimp/assimp/issues/6617 | issue-tracking |
| https://github.com/user-attachments/files/2720060… | exploit |
| https://github.com/assimp/assimp/ | product |
Impacted products
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CVE-2026-9158 (GCVE-0-2026-9158)
Vulnerability from cvelistv5 – Published: 2026-06-18 14:10 – Updated: 2026-06-18 14:40
VLAI
EPSS
VEX
Summary
In Eclipse 4diac FORTE versions 3.0.0 to 3.1.0, a specially crafted DELETE connection command to the management interface can lead to a dangling pointer. This allows subsequent commands to access freed memory (use-after-free).
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-18 14:33 UTC
CWE
- CWE-416 - Use after free
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | Eclipse 4diac |
Affected:
3.0.0 , ≤ 3.1.0
(semver)
|
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CVE-2026-9080 (GCVE-0-2026-9080)
Vulnerability from cvelistv5 – Published: 2026-07-03 06:17 – Updated: 2026-09-15 06:03
VLAI
EPSS
VEX
Title
UAF after pause in socket callback
Summary
Calling `curl_easy_pause()` within the event-based `CURLMOPT_SOCKETFUNCTION`
callback triggers a use-after-free vulnerability, where libcurl attempts to
store a flag using a dangling struct pointer immediately after that pointer's
memory has been freed.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 16:54 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| curl | curl |
Affected:
8.13.0 , < 8.14.2
(semver)
Affected: 8.15.0 , < 8.16.1 (semver) Affected: 8.17.0 , < 8.20.1 (semver) |
|
| curl | curl |
Affected:
cfc657a48dbafb4194676d4c9d841388b3a22210 , < 5ab34cba42e4ee4282fe8bab43f311d51b9bf9bd
(git)
|
|
| curl | curl |
Affected:
8.20.0
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CVE-2026-9034 (GCVE-0-2026-9034)
Vulnerability from cvelistv5 – Published: 2026-09-08 14:20 – Updated: 2026-09-10 18:03
VLAI
EPSS
VEX
Title
Mali GPU Userspace Driver allows access to already freed memory
Summary
Use After Free vulnerability in Arm Ltd Bifrost GPU Userspace Driver, Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a non-privileged user process to perform valid GPU processing operations, including via WebGL or WebGPU, to access already freed memory.
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Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 18:02 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Arm Ltd | Bifrost GPU Userspace Driver |
Affected:
r42p0 , ≤ r49p5
(patch)
Affected: r50p0 , ≤ r51p0 (patch) Affected: r54p1 , ≤ r54p3 (patch) |
|
| Arm Ltd | Valhall GPU Userspace Driver |
Affected:
r42p0 , ≤ r49p5
(patch)
Affected: r50p0 , ≤ r54p3 (patch) Affected: r55p0 (patch) Unaffected: r56p0 (patch) |
|
| Arm Ltd | Arm 5th Gen GPU Architecture Userspace Driver |
Affected:
r42p0 , ≤ r49p5
(patch)
Affected: r50p0 , ≤ r54p3 (patch) Affected: r55p0 (patch) Unaffected: r56p0 (patch) |
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CVE-2026-8849 (GCVE-0-2026-8849)
Vulnerability from cvelistv5 – Published: 2026-09-22 17:50 – Updated: 2026-09-23 03:56
VLAI
EPSS
VEX
Title
Use After Free vulnerability in RTI Connext Professional (Security Plugins) allows File Manipulation.
Summary
Use After Free vulnerability in RTI Connext Professional (Security Plugins) allows File Manipulation. This issue affects Connext Professional: from 7.6.0 before 7.7.0.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 00:00 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| RTI | Connext Professional |
Affected:
7.6.0 , < 7.7.0.1
(custom)
cpe:2.3:a:rti:connext_professional:*:*:*:*:*:*:*:* |
Date Public
2026-09-15 17:46
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CVE-2026-8829 (GCVE-0-2026-8829)
Vulnerability from cvelistv5 – Published: 2026-06-04 02:03 – Updated: 2026-06-28 11:34
VLAI
EPSS
VEX
Title
HTML::Entities versions before 3.84 for Perl read freed heap memory in _decode_entities
Summary
HTML::Entities versions before 3.84 for Perl read freed heap memory in _decode_entities.
The XS routine backing HTML::Entities::_decode_entities cached a pointer (repl) into the entity-value SV returned by hv_fetch on the entity2char hash. When the input SV was identical to a value SV in that hash, and that value contained its own key as an entity reference, a later call to grow_gap() reallocated the SV's PV buffer and freed the backing allocation that repl still pointed into. The subsequent copy loop read repl_len bytes from the freed allocation.
The read may disclose adjacent heap contents into the destination SV.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-04 12:59 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OALDERS | HTML::Entities |
Affected:
0 , < 3.84
(custom)
|
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CVE-2026-8746 (GCVE-0-2026-8746)
Vulnerability from cvelistv5 – Published: 2026-05-17 10:15 – Updated: 2026-05-18 20:07
VLAI
EPSS
VEX
Title
Open5GS NRF nghttp2-server.c discover_handler use after free
Summary
A security flaw has been discovered in Open5GS up to 2.7.7. Affected by this issue is the function discover_handler in the library /lib/sbi/nghttp2-server.c of the component NRF. The manipulation results in use after free. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-18 20:06 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/364333 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/364333/cti | signaturepermissions-required |
| https://vuldb.com/submit/817032 | third-party-advisory |
| https://github.com/open5gs/open5gs/issues/4476 | exploitissue-tracking |
| https://github.com/open5gs/open5gs/ | product |
Impacted products
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CVE-2026-8696 (GCVE-0-2026-8696)
Vulnerability from cvelistv5 – Published: 2026-05-15 20:52 – Updated: 2026-07-14 22:04
VLAI
EPSS
VEX
Title
radare2 6.1.5 Use-After-Free via gdbr_pids_list()
Summary
radare2 6.1.5 contains a use-after-free vulnerability in the gdbr_pids_list() function within the GDB client core that allows remote attackers to cause a denial of service or potentially execute arbitrary code by sending malformed thread information responses. Attackers can trigger the vulnerability by causing qsThreadInfo to fail after qfThreadInfo successfully allocates RDebugPid structures, resulting in double-free memory corruption when the error path attempts to clean up the list.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-19 12:30 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/radareorg/radare2/issues/25836 | issue-tracking |
| https://github.com/radareorg/radare2/commit/c213a… | patch |
| https://www.vulncheck.com/advisories/radare2-use-… | third-party-advisory |
Impacted products
Date Public
2026-05-15 21:00
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CVE-2026-8695 (GCVE-0-2026-8695)
Vulnerability from cvelistv5 – Published: 2026-05-15 17:01 – Updated: 2026-07-14 22:04
VLAI
EPSS
VEX
Title
radare2 6.1.5 Use-After-Free via gdbr_threads_list()
Summary
radare2 6.1.5 contains a use-after-free vulnerability in the gdbr_threads_list() function that allows remote attackers to trigger memory corruption by sending a valid qfThreadInfo response followed by a malformed qsThreadInfo response. Attackers can exploit this vulnerability through GDB remote debugging to cause a denial of service or potentially achieve code execution by manipulating thread list processing.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-15 17:33 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/radareorg/radare2/issues/25835 | issue-tracking |
| https://github.com/radareorg/radare2/commit/c213a… | patch |
| https://www.vulncheck.com/advisories/radare2-use-… | third-party-advisory |
| https://github.com/radareorg/radare2/issues/25836 | issue-tracking |
Impacted products
Date Public
2026-05-15 17:00
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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.