MGASA-2026-0237

This update fixes several security issues: A flaw has been found in libvips up to 8.18.0. The affected element is the function vipsforeignloadmatrixfileisa/vipsforeignloadmatrixheader of the file libvips/foreign/matrixload.c. Executing a manipulation can lead to memory corruption. The attack needs to be launched locally. (CVE-2026-3145) A vulnerability has been found in libvips up to 8.18.0. The impacted element is the function vipsforeignloadmatrixheader of the file libvips/foreign/matrixload.c. The manipulation leads to null pointer dereference. The attack needs to be performed locally. (CVE-2026-3146) A vulnerability was found in libvips up to 8.18.0. This affects the function vipsforeignloadcsvbuild of the file libvips/foreign/csvload.c. The manipulation results in heap-based buffer overflow. The attack requires a local approach. The exploit has been made public and could be used. (CVE-2026-3147) A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function imminposvec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. (CVE-2026-6491)