Home/CVE/A Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, whic
CVE

CVE-2020-22031

A Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, whic

A Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, which might lead to memory corruption and other potential consequences.

HIGH · CVSS 8.8 EPSS 0.01329
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

2
ffmpegall versions
debian linuxall versions
⚠

Public Exploits & PoCs

1
poctrac.ffmpeg.org · 8243trac.ffmpeg.org
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 May 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

5
usnUSN-5167-1
usnUSN-5472-1
suse-csafSUSE-SU-2021:2929-1
suse-csafopenSUSE-SU-2021:2322-1
suse-csafSUSE-SU-2021:2322-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlMailing ListThird Party Advisory
https://trac.ffmpeg.org/attachment/ticket/8243/gdb-vf_w3fdif_191Vendor Advisory
https://www.debian.org/security/2021/dsa-4990Third Party Advisory
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