{"action":"Upgrade libheif to 1.21.2-r0 or later.","affected":[{"fixed":"1.21.2-r0","introduced":"0"}],"component":"libheif","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["1.21.2-r0"],"id":"tcs_01M5NFFCXG3MJ6Z1JQZ8BYSN60","modified_at":"2026-08-27T22:18:03.053384659Z","published_at":"2025-12-29T19:15:56.933Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2025-68431","https://security.alpinelinux.org/vuln/CVE-2025-68431"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2025-68431","url":"https://osv.dev/vulnerability/ALPINE-CVE-2025-68431"}],"summary":"libheif is an HEIF and AVIF file format decoder and encoder. Prior to version 1.21.0, a crafted HEIF that exercises the overlay image item path triggers a heap buffer over-read in `HeifPixelImage::ove"}