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Advisories

FFmpeg through 9.0.2 Memory Leak in MJPEG Hwaccel SOF Decoding

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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), Lynne
Description
FFmpeg through 9.0.2 contains a memory leak vulnerability in ff_mjpeg_decode_sof() in libavcodec/mjpegdec.c, which overwrites the hwaccel_picture_private pointer without freeing it. Attackers can supply crafted MJPEG streams with repeated SOF markers or failing frames to leak hwaccel private data and hardware buffers under VAAPI or NVDEC decoding.

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