CVE-2020-22027

HIGH

FFmpeg 4.2 - Heap-based Buffer Overflow in vf_neighbor.c deflate16

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://trac.ffmpeg.org/ticket/8242
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2021/dsa-4990

Scores

CVSS v3 8.8
EPSS 0.0064
EPSS Percentile 70.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (2)
debian/debian_linux 10.0
ffmpeg/ffmpeg 4.2
Published May 27, 2021
Tracked Since Feb 18, 2026