PT-2025-45913 · Julia · Ffmpeg Jll+1

Published 2025-10-19 · Updated 2025-10-19

OSV

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).

Related Identifiers

JLSEC-2025-123

Affected Products

Ffmpeg Jll

Ffplay Jll

References · 7

• https://osv.dev/vulnerability/JLSEC-2025-123 · Vendor Advisory
• 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 · Note
• https://security.gentoo.org/glsa/202312-14 · Note
• https://wrv.github.io/h26forge.pdf · Note
• https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/cc867f2c09d2b69cee8a0eccd62aff002cbbfe11 · Note