CVE-2026-63419

OpenImageIO (a VFX/animation image I/O toolset) is vulnerable to a heap out-of-bounds write in its IFF image format plugin when processing zbuffer-only tiled files. The root cause is a mismatch between a 16-bit public imagespec and the decoder's 32-bit internal pixel size: IffInput::read_native_t...

EUVD-2026-83130

OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1, A zbuffer-only tiled iff is exposed with a 16-bit public imagespec while the decoder retains a 32-bit internal pixel...

CVE-2026-63419 OpenImageIO: IFF ZBUFFER tile read writes past caller tile buffer

OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.21.0, 3.1.16.0, and 3.2.0.3-beta1, A zbuffer-only tiled iff is exposed with a 16-bit public imagespec while the decoder retains a 32-bit internal pixel...

CVE-2026-59956 OpenImageIO: Heap-buffer-overread in IffInput::readimg() when ZBUFFER flag is set

OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.20.0, 3.1.15.0, and 3.2.0.3-beta1, An uncompressed 16-bit iff image with a z-buffer makes iffinput::readimg allocate a temporary scanline from...