CVE-2025-8585CWE-119CWE-415

libav DSS File Demuxer avconv.c main double free

Medium · published August 5, 2025

CVSS v4.0
4.8
EPSS
0%
Percentile
12.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
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
EPSS
0.00224 · 12.3th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-415 · Double Free
Published
2025-08-05T17:02Z
EPSS history
Timeline
  • 05 AUG 17:02Z
    libav DSS File Demuxer avconv.c main double free
    cvelistv5