Description
A vulnerability, which was classified as critical, has been found in libav up to 12.3. Affected by this issue is the function main of the file /avtools/avconv.c of the component DSS File Demuxer. The manipulation leads to double free. Attacking locally is a requirement. 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 5.3/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/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/1I4VVXGys156UdeSTgya_GGxLZxwuxUPw/view?usp=sharingExploit
- https://trac.ffmpeg.org/ticket/11680Exploit
- https://vuldb.com/?ctiid.318818Permissions Required, VDB Entry
- https://vuldb.com/?id.318818Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.621825Third Party Advisory, VDB Entry
- https://trac.ffmpeg.org/ticket/11680Exploit
- https://vuldb.com/?submit.621825Third Party Advisory, VDB Entry
Timeline
- Published
- Aug 5, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed