CVE-2021-30123

HIGH

FFmpeg <=4.3 - Buffer Overflow

Title source: llm
STIX 2.1

Description

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

References (4)

Core 4
Core References
Exploit, Vendor Advisory x_refsource_misc
https://trac.ffmpeg.org/ticket/8845
Exploit, Vendor Advisory x_refsource_misc
https://trac.ffmpeg.org/ticket/8863
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202105-24

Scores

CVSS v3 8.8
EPSS 0.0343
EPSS Percentile 87.5%
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-120
Status published
Products (1)
ffmpeg/ffmpeg 4.4
Published Apr 07, 2021
Tracked Since Feb 18, 2026