CVE-2026-34589

OpenEXR 3.4.9 fixes CVE-2026-34589 (DWA Lossy Decoder Heap Out-of-Bounds Write). The advisory notes this vulnerability as part of a set addressed in Cary Phillips’ report. Affected component: DWA Lossy Decoder within the OpenEXR 3.4.9 release. Root cause: heap out-of-bounds write in the DWA Lossy...

CVE-2026-34589 OpenEXR: DWA Lossy Decoder Heap Out-of-Bounds Write

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, the DWA lossy decoder constructs temporary per-component block pointers using signed 32-bit arithmetic. Fo...

CVE-2026-34589

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, the DWA lossy decoder constructs temporary per-component block pointers using signed 32-bit arithmetic. Fo...