CVE-2026-45696

CVE-2026-45696 affects OpenEXR 3.4.0–3.4.11, where the HTJ2K decoder’s ht_undo_impl() can perform a heap-buffer-overflow READ due to a width mismatch between the EXR codestream and the declared line width. The decoder copies 32-bit samples from cur_line->i32[] without validating the OpenJPH li...

CVE-2026-39886 OpenEXR has HTJ2K Signed Integer Overflow in ht_undo_impl()

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. Versions 3.4.0 through 3.4.9 have a signed integer overflow vulnerability in OpenEXR's HTJ2K High-Throughput JPEG 2000 decompression path. The htundoimp...