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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
10897 vulnerabilities reference this CWE, most recent first.
CVE-2026-13368 (GCVE-0-2026-13368)
Vulnerability from cvelistv5 – Published: 2026-07-02 23:06 – Updated: 2026-08-27 22:58
VLAI
EPSS
VEX
Title
WatchGuard Firebox Race Condition and Use-After-Free in Mobile VPN with IKEv2 LDAP Authentication
Summary
WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of the iked process on Fireboxes that have a Mobile VPN with IKEv2 configured to use an external LDAP authentication server.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 00:00 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13368 | vendor-advisory |
| https://www.watchguard.com/wgrd-psirt/advisory/wg… | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.1 , < 2026.2.1
(custom)
Unaffected: 12.0 , < 12.12.1 (custom) Unaffected: 11.10.2 , ≤ 11.12.4+541730 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.11.9
(custom)
|
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.19
(custom)
|
Date Public
2026-07-02 23:06
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CVE-2026-13129 (GCVE-0-2026-13129)
Vulnerability from cvelistv5 – Published: 2026-07-08 07:36 – Updated: 2026-07-08 13:20
VLAI
EPSS
VEX
Title
Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability
Summary
When the application opens a PDF file, JavaScript uses the damaged field tree to trigger field traversal, resulting in the program holding an invalid form object when accessing the field property path. Eventually, the application crashes due to reading an invalid pointer.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 13:20 UTC
CWE
- CWE-416 - Use after free
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor |
Affected:
Versions 2026.1.1 and earlier
Affected: Versions 14.0.4 and earlier Affected: Versions 13.2.4 and earlier |
|
| Foxit Software Inc. | Foxit PDF Reader |
Affected:
Versions 2026.1.1 and earlier
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CVE-2026-13128 (GCVE-0-2026-13128)
Vulnerability from cvelistv5 – Published: 2026-07-08 07:36 – Updated: 2026-07-08 12:14
VLAI
EPSS
VEX
Title
Foxit PDF Editor/Reader Doc Object Use-After-Free Remote Code Execution Vulnerability
Summary
Embedding JavaScript within a PDF file will cause the page to be deleted. Subsequent scripts will continue to access the relevant properties of the document view, eventually leading to the crash of the application.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 12:14 UTC
CWE
- CWE-416 - Use after free
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor |
Affected:
Versions 2026.1.1 and earlier
|
|
| Foxit Software Inc. | Foxit PDF Reader |
Affected:
Versions 2026.1.1 and earlier
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CVE-2026-13127 (GCVE-0-2026-13127)
Vulnerability from cvelistv5 – Published: 2026-07-08 07:36 – Updated: 2026-07-08 12:13
VLAI
EPSS
VEX
Title
Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability
Summary
The application opens the PDF file. JavaScript then rewrites the document to modify the page structure, resulting in the invalidation of the page objects. However, the thumbnails still use the invalid page objects, ultimately causing the application to crash.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 12:13 UTC
CWE
- CWE-416 - Use after free
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor |
Affected:
Versions 2026.1.1 and earlier
Affected: Versions 14.0.4 and earlier Affected: Versions 13.2.4 and earlier |
|
| Foxit Software Inc. | Foxit PDF Reader |
Affected:
Versions 2026.1.1 and earlier
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CVE-2026-13126 (GCVE-0-2026-13126)
Vulnerability from cvelistv5 – Published: 2026-07-08 07:36 – Updated: 2026-07-08 12:13
VLAI
EPSS
VEX
Title
Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability
Summary
The embedded JavaScript in the PDF deleted the pages, making the object invalid. The application attempted to perform a write operation on the invalid pop-up annotations, resulting in the program crashing.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 12:12 UTC
CWE
- CWE-416 - Use after free
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor |
Affected:
Versions 2026.1.1 and earlier
Affected: Versions 14.0.4 and earlier |
|
| Foxit Software Inc. | Foxit PDF Reader |
Affected:
Versions 2026.1.1 and earlier
|
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CVE-2026-13117 (GCVE-0-2026-13117)
Vulnerability from cvelistv5 – Published: 2026-07-30 16:32 – Updated: 2026-09-17 18:36
VLAI
EPSS
VEX
Summary
An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-30 18:08 UTC
CWE
- CWE-416 - Use after free
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://community.openvpn.net/Security%20Announce… | vendor-advisory |
| https://community.openvpn.net/ReleaseHistory#open… | release-notes |
| https://community.openvpn.net/ReleaseHistory#open… | release-notes |
Impacted products
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CVE-2026-13071 (GCVE-0-2026-13071)
Vulnerability from cvelistv5 – Published: 2026-07-22 19:14 – Updated: 2026-07-23 14:21
VLAI
EPSS
VEX
Title
Server-Side JavaScript Aggregation Expression Memory Safety Issue Leading to Process Termination
Summary
An authenticated user with read access can cause the mongod process to be terminated through certain aggregation expressions that execute server-side JavaScript. The issue involves improper memory handling during document processing.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 14:21 UTC
CWE
- CWE-416 - Use After Faree
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MongoDB | MongoDB Server |
Affected:
7.0 , < 7.0.39
(semver)
Affected: 8.0 , < 8.0.28 (semver) Affected: 8.2.0 , < 8.2.12 (semver) Affected: 8.3.0 , < 8.3.7 (semver) |
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CVE-2026-12996 (GCVE-0-2026-12996)
Vulnerability from cvelistv5 – Published: 2026-07-30 16:38 – Updated: 2026-07-30 18:07
VLAI
EPSS
VEX
Summary
A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-30 18:06 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://community.openvpn.net/Security%20Announce… | vendor-advisory |
| https://community.openvpn.net/ReleaseHistory#open… | release-notes |
| https://community.openvpn.net/ReleaseHistory#open… | release-notes |
| https://lists.debian.org/debian-lts-announce/2026… |
Impacted products
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CVE-2026-12921 (GCVE-0-2026-12921)
Vulnerability from cvelistv5 – Published: 2026-06-25 17:57 – Updated: 2026-06-25 18:31
VLAI
EPSS
VEX
Title
Use after free in AzeoTech DAQFactory
Summary
In AzeoTech DAQFactory versions 21.1 and prior, a Use After Free vulnerability can be exploited by an attacker using specially crafted .ctl files which can result in code execution.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 18:30 UTC
CWE
- CWE-416 - Use after free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/news-events/ics-advisories/i… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AzeoTech | DAQFactory |
Affected:
0 , ≤ 21.1
(custom)
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CVE-2026-12706 (GCVE-0-2026-12706)
Vulnerability from cvelistv5 – Published: 2026-06-19 10:55 – Updated: 2026-06-22 19:28
VLAI
EPSS
VEX
Title
Ffmpeg: ffmpeg: heap use-after-free read in rasc decoder decode_move()
Summary
A use-after-free vulnerability was found in FFmpeg's RASC video decoder. The decode_move() function initializes a read pointer into a decompressed buffer, but a subsequent reallocation of that same buffer during move-table processing leaves the pointer dangling. An attacker could exploit this by providing a specially crafted AVI file containing a malicious RASC video stream. When a user opens or plays the file, the decoder reads from freed heap memory, which could lead to a denial of service (crash).
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-22 19:27 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-12706 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2490710 | issue-trackingx_refsource_REDHAT |
| https://lists.ffmpeg.org/archives/list/ffmpeg-dev… | |
| https://patchwork.ffmpeg.org/project/ffmpeg/patch… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3
|
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai
|
Date Public
2026-05-01 00:00
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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.