CVE-2020-20445

MEDIUM

FFmpeg 4.2 - Denial of Service via Divide By Zero in libavcodec/lpc.h

Title source: llm
STIX 2.1

Description

FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/lpc.h, which allows a remote malicious user to cause a Denial of Service.

References (4)

Core 4
Core References
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://trac.ffmpeg.org/ticket/7996
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2021/dsa-4990
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2021/dsa-4998
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html

Scores

CVSS v3 6.5
EPSS 0.0165
EPSS Percentile 73.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-369
Status published
Products (4)
debian/debian_linux 9.0
debian/debian_linux 10.0
debian/debian_linux 11.0
ffmpeg/ffmpeg 4.2
Published May 25, 2021
Tracked Since Feb 18, 2026