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Advisories

Fraunhofer HHI VVdeC through 3.2.1 Heap Out-of-Bounds Read via CodingStructure::getColInfo

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Severity
medium
Date
Affecting

  • vvdec <= 3.2.1

CWE
  • CWE-125 Out-of-bounds Read
CVSS
5.7
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Alexander A. Shvedov (sigdevel)
Description
Fraunhofer HHI VVdeC through 3.2.1 contains a heap out-of-bounds read vulnerability that allows attackers to crash the decoder by supplying a collocated picture of different resolution. Attackers can craft a VVC bitstream enabling TMVP with a smaller collocated reference picture, causing getColInfo to read past the colMotion allocation when error concealment is enabled.

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