CVE-2026-59984 OpenEXR: Scratch buffer overflow decoding B44-compressed InputFile on ILP32

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. OpenEXR versions 3.1.0 through 3.2.10, 3.3.0 through 3.3.12, and 3.4.0 through 3.4.13 are vulnerable on ILP32 builds to an out-of-bounds write. When a crafted...

CVE-2026-59984

OpenEXR (the reference implementation for the EXR image format, widely used in the motion picture industry) is vulnerable to an out-of-bounds write on ILP32 builds in the B44-compressed scanline decode path. A crafted B44-compressed scanline EXR file causes the logical scratch size to truncate be...