CVE-2022-48434 - libavcodec/pthread_frame.c in FFmpeg before 5.1.2, as used in VLC and other products, leaves stale hwaccel state in worker threads, which allows attackers to trigger a use-after-free and execute arbitrary code in some circumstances (e.g., hardware re-initialization upon a mid-video SPS change when Direct3D11 is used)

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HIGH

libavcodec/pthread_frame.c in FFmpeg before 5.1.2, as used in VLC and other products, leaves stale hwaccel state in worker threads, which allows attackers to trigger a use-after-free and execute arbitrary code in some circumstances (e.g., hardware re-initialization upon a mid-video SPS change when Direct3D11 is used)

Published Mar 29, 2023

8.1

HIGH

CVSS 3.1

EPSS 1.52%

Description

libavcodec/pthread_frame.c in FFmpeg before 5.1.2, as used in VLC and other products, leaves stale hwaccel state in worker threads, which allows attackers to trigger a use-after-free and execute arbitrary code in some circumstances (e.g., hardware re-initialization upon a mid-video SPS change when Direct3D11 is used).

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-416

Use After Free

References (7)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-51130
Advisory
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/cc867f2c09d2b69cee8a0eccd62aff002cbbfe11
Mailing ListPatch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KOMB6WRUC55VWV25IKJTV22KARBUGWGQ/
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PQHNSWXFUN3VJ3AO2AEJUK3BURSGM5G2/
vendor-advisory
https://news.ycombinator.com/item?id=35356201
ExploitIssue TrackingThird Party Advisory
https://security.gentoo.org/glsa/202312-14
vendor-advisory
https://wrv.github.io/h26forge.pdf
Technical Description

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-51130		Advisory
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/cc867f2c09d2b69cee8a0eccd62aff002cbbfe11		Mailing ListPatch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KOMB6WRUC55VWV25IKJTV22KARBUGWGQ/		vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PQHNSWXFUN3VJ3AO2AEJUK3BURSGM5G2/		vendor-advisory
https://news.ycombinator.com/item?id=35356201		ExploitIssue TrackingThird Party Advisory
https://security.gentoo.org/glsa/202312-14		vendor-advisory
https://wrv.github.io/h26forge.pdf		Technical Description