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Advisories

OpenImageIO before 3.0.20.0, 3.1.x before 3.1.15.0, and 3.2.x before 3.2.0.3-beta1 Cineon Reader Heap Out-of-Bounds Read

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Severity
medium
Date
Affecting

  • OpenImageIO >= 0, < 3.0.20.0

  • OpenImageIO >= 3.1.0.0, < 3.1.15.0

  • OpenImageIO >= 3.2.0.0-dev, < 3.2.0.3-beta1

CWE
  • CWE-190 Integer Overflow or Wraparound
CVSS
6.8
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Ostorlab
Description
OpenImageIO before 3.0.20.0, 3.1.x before 3.1.15.0, and 3.2.x before 3.2.0.3-beta1 contains an integer overflow in cineon::Codec::Read that undersizes the scanline buffer, causing a heap out-of-bounds read. Attackers can supply a crafted Cineon file with a huge declared width that wraps the size calculation to zero, so UnPackPacked reads past a 4-byte buffer and crashes the application.

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