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CVE-2020-22031

Published: 27 May 2021

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.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
ffmpeg
Launchpad, Ubuntu, Debian
hirsute Not vulnerable
(4.3)
impish Not vulnerable
(7:4.4-6ubuntu5)
bionic
Released (7:3.4.11-0ubuntu0.1)
focal
Released (7:4.2.7-0ubuntu0.1)
groovy Ignored
(end of life)
jammy Not vulnerable
(7:4.4.1-3ubuntu2)
trusty Does not exist

upstream
Released (4.3)
xenial
Released (7:2.8.17-0ubuntu0.1+esm2)
Available with Ubuntu Pro
Patches:
upstream: https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=0e68e8c93f9068596484ec8ba725586860e06fc8

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H