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Advisories

FFmpeg through 9.0.2 VAAPI Memory Leak via Abandoned Picture Buffers

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Severity
medium
Date
Affecting

  • FFmpeg <= 9.0.2

CWE
  • CWE-401 Missing Release of Memory after Effective Lifetime
CVSS
5.7
CVSS V4 Vector
CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Joshua Rogers (AISLE Research), Michael Niedermayer
Description
FFmpeg through 9.0.2 contains a memory leak vulnerability in libavcodec/vaapi_decode.c that allows attackers to exhaust memory by supplying streams with slice parse errors. Attackers can craft H.264 or other VAAPI-decoded video where later slices fail to parse on every frame, continuously leaking VA parameter and slice buffers plus driver and heap memory.

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