CVE-2020-22027 Information

Description

A heap-based Buffer Overflow vulnerability exits in FFmpeg 4.2 in deflate16 at libavfilter/vf_neighbor.c which might lead to memory corruption and other potential consequences.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://trac.ffmpeg.org/attachment/ticket/8242/gdb-vf_neighbor_191 https://trac.ffmpeg.org/ticket/8242 https://www.debian.org/security/2021/dsa-4990

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8