CVE-2025-8585

low-risk
Published 2025-08-05

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.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Libav

References (7)

Exploit https://drive.google.com/file/d/1I4VVXGys156UdeSTgya_GGxLZxwuxUPw/view?usp=shari...
Exploit https://trac.ffmpeg.org/ticket/11680
Permissions Required https://vuldb.com/?ctiid.318818
Third Party Advisory https://vuldb.com/?id.318818
Third Party Advisory https://vuldb.com/?submit.621825
Exploit https://trac.ffmpeg.org/ticket/11680
Third Party Advisory https://vuldb.com/?submit.621825
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal