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CVE-2026-59184

OpenEXR: OpenEXRUtil FlatImageChannel row nonzero dataWindow heap OOB write

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.2.11, 3.3.13, 3.4.14
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. Versions before 3.2.11, 3.3.0 through 3.3.12, and 3.4.0 through 3.4.13 allow a crafted EXR with a nonzero dataWindow.min to make TypedFlatImageChannel::row() return an invalid heap pointer, causing out-of-bounds or use-after-free writes. This occurs when an application writes rows through FlatHalfChannel::row(). Affected consumers are tools, converters, render pipeline components, or image-processing services that accept untrusted EXR files and use FlatHalfChannel::row() on loaded images. This issue is fixed in versions 3.2.11, 3.3.13, and 3.4.14.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • AcademySoftwareFoundation openexr

    fixed in 3.2.11; From 3.3.0 · fixed in 3.3.13; From 3.4.0 · fixed in 3.4.14

References 4

GitHub · AcademySoftwareFoundation/openexr