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.
Metrics
CVSS 3.1 3.3/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | libav | 12.0; 12.1; 12.2; 12.3 |
References
- https://drive.google.com/file/d/1OwDNHuTbZFNTDX9afmvez_old3oRC7dM/view?usp=sharingExploit
- https://trac.ffmpeg.org/ticket/11679Exploit
- https://vuldb.com/?ctiid.318817Permissions Required, VDB Entry
- https://vuldb.com/?id.318817Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.621824Third Party Advisory, VDB Entry
- https://trac.ffmpeg.org/ticket/11679Exploit
Timeline
- Published
- Aug 5, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed