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Advisories

FFmpeg through 9.0.2 Out-of-Bounds Read in Musepack SV7 Decoder via mpc7.c

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Severity
medium
Date
Affecting

  • FFmpeg <= 9.0.2

CWE
  • CWE-125 Out-of-bounds Read
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
zhang xingxing, Joshua Rogers (AISLE Research), zhang xingxing
Description
FFmpeg through 9.0.2 contains an out-of-bounds read vulnerability in the Musepack SV7 decoder because mpc7_decode_init() does not validate lastframelen against MPC_FRAME_SIZE. Attackers can supply a crafted Musepack SV7 file declaring an oversized final frame, causing consumers of decoded frames to read past the audio buffer, leading to crashes or heap memory disclosure.

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