github AcademySoftwareFoundation/openexr v3.4.9

6 hours ago

Patch release that addresses several security vulnerabilities.

This release also fixes a build issue where the library symlinks would get installed in the incorrect location when overriding the cached install prefix path.

This release addresses the following CVEs:

  • CVE-2026-34589 DWA Lossy Decoder Heap Out-of-Bounds Write
  • CVE-2026-34588 Signed 32-bit Overflow in PIZ Decoder Leads to OOB Read/Write
  • CVE-2026-34380 Signed integer overflow (undefined behavior) in undo_pxr24_impl may allow bounds-check bypass in PXR24 decompression
  • CVE-2026-34379 Misaligned write in LossyDctDecoder_execute leading to undefined behavior (DWA/DWAB decompression)
  • CVE-2026-34378 Signed integer overflow in generic_unpack() when parsing EXR files with crafted negative dataWindow.min.x

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