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Advisories

FFmpeg 8.0 through 9.0.2 Memory Leak in VP9 Decoder via vp9_decode_frame

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Severity
medium
Date
Affecting

  • FFmpeg >= 8.0, <= 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 8.0 through 9.0.2 contains a memory leak vulnerability in the VP9 decoder that allows attackers to exhaust memory because vp9_decode_frame() skips resetting the CBS fragment on error paths. Attackers can supply a crafted VP9 stream with invalid tile sizes decoded with slice threading to leak packet buffers and units, exhausting memory in the decoding application.

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