Common Weakness Enumeration

CWE-416

Allowed

Use After Free

Abstraction: Variant · Status: Stable

API response cwe.mitre.org

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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

12173 vulnerabilities reference this CWE, most recent first.

CVE-2026-57992 (GCVE-0-2026-57992)

Vulnerability from cvelistv5 – Published: 2026-07-03 20:35 – Updated: 2026-10-08 18:13
VLAI
Title
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Summary
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
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
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3954 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft Edge (Chromium-based) Affected: 1.0.0.0 , < 150.0.4078.48 (custom)
    cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-03 14:00
Show details on NVD website
To clipboard 

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CVE-2026-57986 (GCVE-0-2026-57986)

Vulnerability from cvelistv5 – Published: 2026-07-03 20:35 – Updated: 2026-10-08 18:13
VLAI
Title
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Summary
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
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
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3954 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft Edge (Chromium-based) Affected: 1.0.0.0 , < 150.0.4078.48 (custom)
    cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-03 14:00
Show details on NVD website
To clipboard 

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CVE-2026-57984 (GCVE-0-2026-57984)

Vulnerability from cvelistv5 – Published: 2026-07-03 20:35 – Updated: 2026-10-08 18:13
VLAI
Title
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Summary
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
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
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3954 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft Edge (Chromium-based) Affected: 1.0.0.0 , < 150.0.4078.48 (custom)
    cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-03 14:00
Show details on NVD website
To clipboard 

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CVE-2026-57981 (GCVE-0-2026-57981)

Vulnerability from cvelistv5 – Published: 2026-07-03 20:35 – Updated: 2026-10-08 18:13
VLAI
Title
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Summary
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
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
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3954 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft Edge (Chromium-based) Affected: 1.0.0.0 , < 150.0.4078.48 (custom)
    cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-03 14:00
Show details on NVD website
To clipboard 

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CVE-2026-57941 (GCVE-0-2026-57941)

Vulnerability from cvelistv5 – Published: 2026-10-01 16:06 – Updated: 2026-10-01 20:09
VLAI
Title
Apache HTTP Server: mod_http2 use-after-free / wild write via shared session->bbtmp re-entrancy
Summary
Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 19:06 UTC
CWE
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 1088 records in the last 180 days details
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache HTTP Server Affected: 2.4.0 , ≤ 2.4.68 (semver)
Create a notification for this product.
Credits
Lucian Nitescu Simon Kappel Gianluca Danesin, Altervista
Show details on NVD website
To clipboard 

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CVE-2026-57842 (GCVE-0-2026-57842)

Vulnerability from cvelistv5 – Published: 2026-09-11 13:48 – Updated: 2026-10-01 15:20 X_Open Source
VLAI
Title
NetBSD COMPAT_NETBSD32 Double Free / Use-After-Free via recvmsg() msg_iovlen
Summary
NetBSD contains a use-after-free and double-free vulnerability in msg_recv_copyin() within the COMPAT_NETBSD32 compatibility layer due to a missing return statement before the cleanup label on the success path. Any local user able to execute a 32-bit binary on a 64-bit NetBSD system can trigger a kernel panic or memory corruption by calling recvmsg() with msg_iovlen between 9 and IOV_MAX, causing the kernel to access a freed iovec buffer and subsequently free the same allocation a second time.
Severity
7.3 (High)
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 14:56 UTC
CWE
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6762 records in the last 180 days details
References
Impacted products
Vendor Product Version
The NetBSD Foundation NetBSD Affected: 8.0 , ≤ 8.3 (custom)
Affected: 9.0 , < 9.5 (custom)
Affected: 10.0 , ≤ 10.1 (custom)
    cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
    cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
    cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-26 00:00
Credits
Tristan CLERC VulnCheck
Show details on NVD website
To clipboard 

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CVE-2026-57589 (GCVE-0-2026-57589)

Vulnerability from cvelistv5 – Published: 2026-06-25 00:33 – Updated: 2026-06-26 03:55
VLAI
Summary
sys/kern/sysv_sem.c in OpenBSD through 7.9 has a use-after-free allowing local privilege escalation to root. This is a context switch use-after-free after tsleep in sys_semget().
Severity
7.4 (High)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 00:00 UTC
CWE
Assigner
mitre CNA under the mitre root
CNA scorecard E 29/100 over 2362 records in the last 180 days details
References
Impacted products
Vendor Product Version
OpenBSD OpenBSD Affected: 0 , ≤ 7.9 (custom)
    cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-57585 (GCVE-0-2026-57585)

Vulnerability from cvelistv5 – Published: 2026-06-30 21:36 – Updated: 2026-07-01 14:54
VLAI
Title
MessagePack: Out-of-bounds read/crash on Unpacker reuse after caught error
Summary
MessagePack is the serializer implementation for Python msgpack.org. Prior to 1.2.1, there is an Out-of-bounds read/crash on Unpacker reuse after a caught error, potentially leading to a DoS attack. If the Unpacker is used repeatedly after an error occurs, the process may crash with a SEGV. This issue has been fixed in version 1.2.1.
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 2026-07-01 14:54 UTC
CWE
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
References
Impacted products
Vendor Product Version
msgpack msgpack-python Affected: < 1.2.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-57559 (GCVE-0-2026-57559)

Vulnerability from cvelistv5 – Published: 2026-10-06 06:30 – Updated: 2026-10-06 11:53
VLAI
Title
Use After Free in DSP_Services
Summary
Memory corruption while processing service requests.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 11:50 UTC
CWE
Assigner
qualcomm CNA under the mitre root
CNA scorecard C 61/100 over 89 records in the last 180 days details
References
Impacted products
Vendor Product Version
Qualcomm, Inc. Snapdragon Affected: Cologne
Affected: FastConnect 6700
Affected: FastConnect 6900
Affected: FastConnect 7800
Affected: IQX5121
Affected: QCA0000
Affected: QCM5430
Affected: QCM6490
Affected: Qualcomm Dragonwing IQ-X
Affected: Qualcomm Video Collaboration VC3 Platform
Affected: SC8380XP
Affected: Snapdragon X2 Elite
Affected: Snapdragon Reality Elite Platform
Affected: WCD9370
Affected: WCD9375
Affected: WCD9378C
Affected: WCD9380
Affected: WCD9385
Affected: WSA8835
Affected: WSA8840
Affected: WSA8845
Affected: WSA8845H
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-57555 (GCVE-0-2026-57555)

Vulnerability from cvelistv5 – Published: 2026-10-06 06:30 – Updated: 2026-10-06 12:00
VLAI
Title
Use After Free in DSP Service
Summary
Memory Corruption when executing system service routines due to improper handling of user input buffers.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 11:53 UTC
CWE
Assigner
qualcomm CNA under the mitre root
CNA scorecard C 61/100 over 89 records in the last 180 days details
References
Impacted products
Vendor Product Version
Qualcomm, Inc. Snapdragon Affected: Cologne
Affected: FastConnect 6700
Affected: FastConnect 6900
Affected: FastConnect 7800
Affected: IQX5121
Affected: QCA0000
Affected: QCM5430
Affected: QCM6490
Affected: Qualcomm Dragonwing IQ-X
Affected: Qualcomm Video Collaboration VC3 Platform
Affected: SC8380XP
Affected: Snapdragon X2 Elite
Affected: Snapdragon Reality Elite Platform
Affected: WCD9370
Affected: WCD9375
Affected: WCD9378C
Affected: WCD9380
Affected: WCD9385
Affected: WSA8835
Affected: WSA8840
Affected: WSA8845
Affected: WSA8845H
Create a notification for this product.
Show details on NVD website
To clipboard 

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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.

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