CVE-2020-22031

moderate-risk
Published 2021-05-27

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.

Do I need to act?

~
1.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Debian Ffmpeg

References (8)

Mailing List https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
Vendor Advisory https://trac.ffmpeg.org/attachment/ticket/8243/gdb-vf_w3fdif_191
Exploit https://trac.ffmpeg.org/ticket/8243
Third Party Advisory https://www.debian.org/security/2021/dsa-4990
Mailing List https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
Vendor Advisory https://trac.ffmpeg.org/attachment/ticket/8243/gdb-vf_w3fdif_191
Exploit https://trac.ffmpeg.org/ticket/8243
Third Party Advisory https://www.debian.org/security/2021/dsa-4990
43
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 4/34 · Minimal
Exposure 9/34 · Low