{"id":"CVE-2026-84447","published":"2026-09-18T16:17:12.677","lastModified":"2026-09-18T18:17:17.017","description":"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 processed_ids is copied per branch and ImageItem::decode_image() has no shared operation budget. This vulnerability is fixed in 1.23.2.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-770"],"vendors":[],"products":[],"references":[{"url":"https://github.com/strukturag/libheif/commit/30b52a4e829efe0ee6d7208e8500b99f664af5e9","tags":[]},{"url":"https://github.com/strukturag/libheif/releases/tag/v1.23.2","tags":[]},{"url":"https://github.com/strukturag/libheif/security/advisories/GHSA-x8xm-cm2c-cfc8","tags":[]},{"url":"https://github.com/strukturag/libheif/security/advisories/GHSA-x8xm-cm2c-cfc8","tags":[]}],"exploitRefs":[{"url":"https://github.com/strukturag/libheif/commit/30b52a4e829efe0ee6d7208e8500b99f664af5e9","tags":[]},{"url":"https://github.com/strukturag/libheif/releases/tag/v1.23.2","tags":[]},{"url":"https://github.com/strukturag/libheif/security/advisories/GHSA-x8xm-cm2c-cfc8","tags":[]},{"url":"https://github.com/strukturag/libheif/security/advisories/GHSA-x8xm-cm2c-cfc8","tags":[]}],"hasPoc":true,"ai":null}