SUSE CVE-2026-39886

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...

CVE-2026-39886

CVE-2026-39886 affects OpenEXR up to version 3.4.9. A signed 32-bit overflow in ht_undo_impl() (internal_ht.cpp) of the HTJ2K decompression path can cause a per-scanline pointer arithmetic error, potentially leading to a heap out-of-bounds write when a crafted EXR with 16,385 FLOAT channels at ma...