CVE-2025-8585
libav DSS File Demuxer avconv.c main double free
- State
- Published
- Severity
- 4.8 Medium
- Published
- Aug 5, 2025
- Updated
- Aug 6, 2025
- Reserved
- Aug 5, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.3 Medium | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
libavn/a |
|
References
- VDB-318818 | libav DSS File Demuxer avconv.c main double freevdb-entrytechnical-description
- VDB-318818 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #621825 | libav avconv 13 && the newest master Double-freethird-party-advisory
- https://trac.ffmpeg.org/ticket/11680issue-tracking
- https://drive.google.com/file/d/1I4VVXGys156UdeSTgya_GGxLZxwuxUPw/view?usp=sharingexploit
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