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.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.318818
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.318818
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.621825
Exploit issue-tracking
https://trac.ffmpeg.org/ticket/11680
Scores
CVSS v3
5.3
EPSS
0.0020
EPSS Percentile
10.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-415
Status
published
Products (1)
libav/libav
< 12.3
Published
Aug 05, 2025
Tracked Since
Feb 18, 2026