PYSEC-2026-3496 Pillow JPEG2000 tiled decode retains a growing scratch buffer and can be used for denial of service

Summary src/libImaging/Jpeg2KDecode.c:853 accumulates totalcomponentwidth across every tile in a JPEG2000 image instead of recomputing it per tile. That accumulated value is then used in the tilebytes calculation at src/libImaging/Jpeg2KDecode.c:868, which can make the decoder grow state-buffer v...

CVE-2026-35591

libvips is a fast image processing library with low memory needs. The tiffload operation in libvips versions before and including 8.18.1 could incorrectly determine the number of channels in a JPEG or JPEG2000-encoded tile within a TIFF image, leading to a possible buffer overflow. This has been...

PT-2026-61636

Name of the Vulnerable Software and Affected Versions libvips versions prior to 8.18.2 Description The tiffload operation can incorrectly determine the number of channels in a JPEG or JPEG2000-encoded tile within a TIFF image, which may lead to a buffer overflow. A buffer overflow occurs when a...