CVE-2020-22035 json
A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in get_block_row at libavfilter/vf_bm3d.c, which might lead to memory corru…
published 2021-06-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-14801
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in get_block_row at libavfilter/vf_bm3d.c, which might lead to memory corruption and other potential consequences.
Patch / fix
- ffmpeg Debian 14, Debian 13, Debian 12 7:4.3-2
debian advisories DEBIAN-CVE-2020-22035
- ffmpeg Ubuntu 20.04 LTS 7:4.2.7-0ubuntu0.1
ubuntu advisories UBUNTU-CVE-2020-22035
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Exploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- trac.ffmpeg.org https://trac.ffmpeg.org/ticket/8262 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
trac.ffmpeg.org
/ticket/8262
exploit, issue-tracking, vendor-advisory
-
debian.org
/security/2021/dsa-4990
vendor-advisory, third-party-advisory
Sources
- CVE List CVE-2020-22035
- NVD CVE-2020-22035
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