CVE-2024-31581

CRITICAL

Ffmpeg - Improper Array Index Validation

Title source: rule

Description

FFmpeg version n6.1 was discovered to contain an improper validation of array index vulnerability in libavcodec/cbs_h266_syntax_template.c. This vulnerability allows attackers to cause undefined behavior within the application.

References (8)

[Third Party Advisory] https://gist.github.com/1047524396/a7e9273e12553775826784035333cdd8

[Product] https://github.com/FFmpeg/FFmpeg/blob/n6.1.1/libavcodec/cbs_h266_syntax_template.c#L2048

View Writeup ZIP pw:eip

[Patch] https://github.com/ffmpeg/ffmpeg/commit/ce0c178a408d43e71085c28a47d50dc939b60196

View Patch ZIP pw:eip

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/[email protected]/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/[email protected]/message/LE3ASLH6QF2E5OVJI5VA3JSEPJFFFMNY/

[Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LE3ASLH6QF2E5OVJI5VA3JSEPJFFFMNY/

[Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPETICRXUOGRIM4U3BCRTIKE3IZWCSBT/

[Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN/

Scores

CVSS v3 9.8

EPSS 0.0022

EPSS Percentile 44.1%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-129

Status published

Products (4)

fedoraproject/fedora 38

fedoraproject/fedora 39

fedoraproject/fedora 40

ffmpeg/ffmpeg 6.1

Published Apr 17, 2024

Tracked Since Feb 18, 2026