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CVE-2025-8584

libav AVI File Parser buffer.c av_buffer_unref null pointer dereference

Published: Aug 5, 2025Updated: Apr 29, 2026 Sources: CVE List NVDCWE-404
NVD MITRE
3.3CVSSLOW
EPSS Score
0.2%
Top 90.4%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
No Fix Available

Description

A vulnerability classified as problematic was found in libav up to 12.3. Affected by this vulnerability is the function av_buffer_unref of the file libavutil/buffer.c of the component AVI File Parser. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The bug was initially reported by the researcher to the wrong project. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-404CWE-476

Affected Products

libavn/a
libavlibav
LibraryLibrary
OSS Libraries / generic-library
libavoss-projectOSS Librariesaka libavcodec, libavformat

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://vuldb.com/?id.318817
vuldb.com
https://vuldb.com/?ctiid.318817
vuldb.com
https://vuldb.com/?submit.621824
vuldb.com
and 2 more references View all →

Timeline

Published
Aug 5, 2025
Last Updated
Apr 29, 2026

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