OpenEXR has use after free in PyObject_StealAttrString

SummaryThere is a use-after-free in PyObjectStealAttrString of pyOpenEXRold.cpp.This bug was found with ZeroPath. DetailsThe legacy adapter defines PyObjectStealAttrString that calls PyObjectGetAttrString to obtain a new reference, immediately decrefs it, and returns the pointer. Callers then pas...

JLSEC-2026-139

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.2.0 through 3.2.4, 3.3.0 through 3.3.5, and 3.4.0 through 3.4.2, there is a use-after-free in PyObjectStealAttrString of pyOpenEXRold.cpp...