CVE-2026-48977

OpenSlide is a C library for reading whole slide image files. Versions 3.4.1 through 4.0.1 are affected by an arbitrary memory write vulnerability in parse_level0_xml() within src/openslide-vendor-ventana.c. A crafted Ventana BIF file can supply nonpositive row or column tile counts, producing at...

CVE-2026-48977 OpenSlide: Arbitrary memory write with crafted Ventana BIF file

OpenSlide is a C library for reading whole slide image files. From 3.4.1 until 4.0.1, OpenSlide's parselevel0xml processing in src/openslide-vendor-ventana.c accepts nonpositive row or column tile counts from a crafted Ventana BIF file. The invalid counts produce attacker-controlled relative memo...

EUVD-2026-82434

OpenSlide is a C library for reading whole slide image files. From 3.4.1 until 4.0.1, OpenSlide's parselevel0xml processing in src/openslide-vendor-ventana.c accepts nonpositive row or column tile counts from a crafted Ventana BIF file. The invalid counts produce attacker-controlled relative memo...