CVE-2026-34380

OpenEXRFix: CVE-2026-34380 describes a signed integer overflow in undo_pxr24_impl() in OpenEXRCore (src/lib/OpenEXRCore/internal_pxr24.c) that could cause the decoding loop to write beyond the allocated output buffer. Affected versions are 3.2.0 up to but not including 3.2.7, 3.3.9, and 3.4.9. Th...