Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure via the grid image processing and uninitialized pixel plane allocation. An attacker can access sensitive heap memory contents by uploading a specially crafted AVIF or HEIC file to a server-side image processor,...

CVE-2026-47247

libheif is a HEIF and AVIF file format decoder and encoder. Prior to version 1.22.0, two bugs in libheif chain to leak process heap memory as visible pixel values in decoded grid images. An attacker who uploads a crafted AVIF/HEIC file to any server-side image processor WordPress, Sharp/libvips,...