SUSE-SU-2026:2622-1 Security update for libheif

This update for libheif fixes the following issues Update to 1.23.0: - CVE-2025-68431: heap buffer over-read in HeifPixelImage: overlay via crafted HEIF that exercises the overlay image item bsc1255735. - CVE-2026-3950: manipulation of the component stsz/stts can lead to out-of-bounds read...

Out-of-bounds Write

Overview Affected versions of this package are vulnerable to Out-of-bounds Write through the image decoding process when handling grid tile chroma compositing. An attacker can execute arbitrary code or cause a denial of service by crafting a specially designed HEIF/AVIF file with a 1×4 grid of...

CVE-2026-32740 libheif: Heap-Buffer-Overflow Write in Grid Tile Chroma Compositing

libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.21.2 and prior contain a heap-buffer-overflow write vulnerability in the grid tile compositing, allowing an attacker to write 64 bytes of fully attacker-controlled data past the end of a chroma plane heap allocation by craftin...