CVE-2026-3282 libvips unpremultiply.c vips_unpremultiply_build out-of-bounds

A flaw has been found in libvips 8.19.0. This vulnerability affects the function vipsunpremultiplybuild of the file libvips/conversion/unpremultiply.c. Executing a manipulation of the argument alphaband can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been...