CVE-2025-8585

libav DSS File Demuxer avconv.c main double free

CVSS 4.8 MEDIUMEPSS 0.2%CWE-119 CWE-415

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

05 Aug 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

n/a · libav

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://drive.google.com/file/d/1I4VVXGys156UdeSTgya_GGxLZxwuxUPw/view?usp=sharing https://trac.ffmpeg.org/ticket/11680 https://vuldb.com/?ctiid.318818 https://vuldb.com/?id.318818 https://vuldb.com/?submit.621825