CVE-2026-40250

OpenEXR CVE-2026-40250 affects multiple release series (3.4.0–3.4.9, 3.3.0–3.3.9, 3.2.0–3.2.7) where internal_dwa_compressor.h:1040 computes chan->width * chan->bytes_per_element using int32 arithmetic without a size_t cast, enabling an integer overflow in the DWA decoder outBufferEnd point...