CVE-2020-22029
A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.
- 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
- 1.49% probability · 74th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- ffmpeg/ffmpeg · debian/debian linux
- Source
- cve@mitre.org
EPSS 1.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=a7fd1279703683ebb548ef7baa2f1519994496ae
- https://trac.ffmpeg.org/ticket/8250Exploit, Issue Tracking, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4990Third Party Advisory
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=a7fd1279703683ebb548ef7baa2f1519994496ae
- https://trac.ffmpeg.org/ticket/8250Exploit, Issue Tracking, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4990Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.