CVE-2026-43905

Summary

OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, jpeg2000input.cpp:395 computes buffer size as const int bufsize = w * h * ch * buffer_bpp using signed 32-bit arithmetic. When the product exceeds INT_MAX, the result wraps to 0 or a small value. m_buf.resize() allocates an undersized buffer, and subsequent pixel write loops cause heap overflow. Conditional on USE_OPENJPH build flag. This vulnerability is fixed in 3.0.18.0 and 3.1.13.0.

Affected Software

Weaknesses

• CWE-190: CWE-190: Integer Overflow or Wraparound

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

Additional References

• https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-pj45-cf3g-28gq

References

• https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-pj45-cf3g-28gq

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