Python Library OpenEXR 3.4.x < 3.4.7 Heap Buffer Overflow (OOB Read)

The version of the OpenEXR Python package installed on the remote host is 3.4.x prior to 3.4.7. It is, therefore, affected by a heap buffer overflow vulnerability: - A heap-buffer-overflow out-of-bounds read occurs in the the HTJ2K decoder in OpenEXR when copying decompressed samples from OpenJPH...

CVE-2026-34545 OpenEXR: integer overflow lead to OOB in HTJ2K decoder

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.7, an attacker providing a crafted .exr file with HTJ2K compression and a channel width of 32768 can write...