PT-2026-64102

Summary When Pillow loads an uncompressed image whose tile uses the raw codec and a mode in Image. MAPMODES, and the image was opened from a filename, it memory-maps the file and builds the image's row pointers directly into the mapping via PyImaging MapBuffer src/map.c. The per-row spacing strid...

OpenEXR: integer overflow to OOB write in uncompress_b44_impl()

Summary The B44/B44A decoder in OpenEXR reconstructs row pointers into a scratch buffer using int. When the channel width nx is large enough, the product y nx overflows int, causing the row pointer to wrap before the start of the scratch buffer. Subsequent memcpy calls then write decoded pixel...