FFmpeg version n6.1.1 was discovered to contain a heap use-after-free via the av_hwframe_ctx_init function.
CVSS Score
7.5
EPSS Score
0.001
Published
2024-04-17
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).
CVSS Score
8.1
EPSS Score
0.003
Published
2023-03-29
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