CVE-2026-84447

libheif is a HEIF and AVIF file format decoder and encoder. In 1.23.1 and earlier, crafted grid, iovl, and iden reference graphs can repeatedly decode the same base image because processedids is copied per branch and ImageItem::decodeimage has no shared operation budget. This vulnerability is fix...

CVE-2026-84447

libheif (HEIF/AVIF decoder/encoder) versions 1.23.1 and earlier are affected by a CPU/memory amplification denial-of-service vulnerability. Crafted grid , iovl , and iden reference graphs can repeatedly decode the same base image because processed_ids is copied per branch and ImageItem::decode_im...