CVE-2020-20445 — Divide By Zero in Ffmpeg

CWE-369 — Divide By Zero10 documents5 sources
Severity
6.5MEDIUMNVD
OSV7.5
EPSS
2.0%
top 16.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
FfmpegNettyDebian Ffmpeg+1 more
Timeline
PublishedMay 25
Latest updateJun 13

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages5 packages

▶debiandebian/ffmpeg< ffmpeg 7:5.0.1-2 (bookworm)
▶Debianffmpeg/ffmpeg< 7:4.3.3-0+deb11u1+3
▶Ubuntuffmpeg/ffmpeg< 7:3.4.11-0ubuntu0.1+3
▶NVDffmpeg/ffmpeg4.2
▶Ubuntunetty/netty< 1:4.1.7-4ubuntu0.1

Also affects: Debian Linux 10.0, 11.0, 9.0

Patches

Patch: trac.ffmpeg.org ↗Patch: trac.ffmpeg.org ↗

🔴Vulnerability Details

6
OSV
ffmpeg vulnerabilities↗2022-06-13
▶
OSV
ffmpeg vulnerabilities↗2022-06-08
▶
GHSA
GHSA-wpc4-w9pj-2v9r: FFmpeg 4↗2022-05-24
▶
OSV
CVE-2020-20445: FFmpeg 4↗2021-05-25
▶
OSV
netty vulnerabilities↗2020-10-27
▶

📋Vendor Advisories

3
Ubuntu
FFmpeg vulnerabilities↗2022-06-13
▶
Ubuntu
FFmpeg vulnerabilities↗2022-06-08
▶
Debian
CVE-2020-20445: ffmpeg - FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/lpc.h, which all...↗2020
▶