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...