Description
Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_vertically_8 at libavfilter/vf_avgblur.c, which could cause a remote Denial of Service.
References (3)
Core 3
Core References
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://trac.ffmpeg.org/ticket/8274
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
6.5
EPSS
0.0139
EPSS Percentile
80.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
4.2
Published
May 26, 2021
Tracked Since
Feb 18, 2026