VulnerabilityModified
CVE-2021-30123
FFmpeg <=4.3 contains a buffer overflow vulnerability in libavcodec through a crafted file that may lead to remote code execution.
HIGH 8.8EPSS 3.40%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
FFmpeg <=4.3 contains a buffer overflow vulnerability in libavcodec through a crafted file that may lead to remote code execution.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 3.40% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- ffmpeg/ffmpeg
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.