CVE-2021-30123

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

FFmpeg <=4.3 contains a buffer overflow vulnerability in libavcodec through a crafted file that may lead to remote code execution.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-120

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=d6f293353c94c7ce200f6e0975ae3de49787f91f
https://security.gentoo.org/glsa/202105-24Third Party Advisory
https://trac.ffmpeg.org/ticket/8845Exploit, Vendor Advisory
https://trac.ffmpeg.org/ticket/8863Exploit, Vendor Advisory
http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=d6f293353c94c7ce200f6e0975ae3de49787f91f
https://security.gentoo.org/glsa/202105-24Third Party Advisory
https://trac.ffmpeg.org/ticket/8845Exploit, Vendor Advisory
https://trac.ffmpeg.org/ticket/8863Exploit, Vendor Advisory

Timeline

Published: Apr 7, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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