Description
Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service
References (3)
Core 3
Core References
Exploit, Patch, Vendor Advisory x_refsource_misc
https://trac.ffmpeg.org/ticket/7989
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4990
Scores
CVSS v3
7.5
EPSS
0.0170
EPSS Percentile
82.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-120
Status
published
Products (3)
debian/debian_linux
9.0
debian/debian_linux
10.0
ffmpeg/ffmpeg
4.1
Published
May 24, 2021
Tracked Since
Feb 18, 2026