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Advisories

FFmpeg through 9.0.2 VVC Decoder Memory Leak via alloc_frame()

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Severity
medium
Date
Affecting

  • FFmpeg <= 9.0.2

CWE
  • CWE-401 Missing Release of Memory after Effective Lifetime
CVSS
4.8
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/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 alloc_frame() in libavcodec/vvc/refs.c that leaks SPS and PPS references when frame buffer allocation fails. Attackers can supply a crafted VVC (H.266) stream that repeatedly replaces parameter sets, steadily growing memory use and causing denial of service.

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