CVE-2025-8584
LOWlibav <= 12.3 - Null Pointer Dereference in av_buffer_unref
Title source: llmDescription
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.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.318817
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.318817
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.621824
Exploit issue-tracking
https://trac.ffmpeg.org/ticket/11679
Scores
CVSS v3
3.3
EPSS
0.0020
EPSS Percentile
9.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-404
CWE-476
Status
published
Products (1)
libav/libav
< 12.3
Published
Aug 05, 2025
Tracked Since
Feb 18, 2026