Medium severity5.5NVD Advisory· Published Sep 17, 2026
CVE-2026-50291
CVE-2026-50291
Description
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to versions 3.0.16.0 and 3.1.11.0, processing a crafted BMP file through oiiotool or an application linked to OpenImageIO can reach BMP palette handling in src/bmp.imageio/bmpinput.cpp with an empty color table. BmpInput::read_native_scanline then performs an invalid palette read while decoding an RLE-compressed scanline, causing a process crash and denial of service. This issue is fixed in versions 3.0.16.0 and 3.1.11.0.
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Affected products
1- Range: <3.0.16.0, <3.1.11.0
Patches
Vulnerability mechanics
References
7- github.com/AcademySoftwareFoundation/OpenImageIO/commit/91500ed58ce927b7e710c6bbc3b7f795bb0791b5nvd
- github.com/AcademySoftwareFoundation/OpenImageIO/commit/be984856e315e0a82cd866745b544c8c4cb8bd45nvd
- github.com/AcademySoftwareFoundation/OpenImageIO/commit/ee3370d004d5895554239b4302c59eedb721f086nvd
- github.com/AcademySoftwareFoundation/OpenImageIO/pull/5030nvd
- github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.0.16.0nvd
- github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v3.1.11.0nvd
- github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-q3c7-3225-66h7nvd
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