Description
A heap-use-after-free in the av_freep function in libavutil/mem.c of FFmpeg 4.2 allows attackers to execute arbitrary code.
References (2)
Core 2
Core References
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://trac.ffmpeg.org/ticket/8186
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4998
Scores
CVSS v3
8.8
EPSS
0.0030
EPSS Percentile
53.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
Status
published
Products (2)
debian/debian_linux
11.0
ffmpeg/ffmpeg
4.2
Published
Aug 10, 2021
Tracked Since
Feb 18, 2026