{"id":"CVE-2026-48029","summary":"libheif: heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow","details":"libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.19.0 through 1.21.2 have a heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow. Version 1.22.0 fixes the issue.","aliases":["GHSA-6x5f-qchq-cxqv"],"modified":"2026-07-24T04:02:36.110459307Z","published":"2026-07-22T14:13:27.879Z","related":["SUSE-SU-2026:22153-1","SUSE-SU-2026:2622-1","openSUSE-SU-2026:10878-1","openSUSE-SU-2026:20974-1"],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-125","CWE-191"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48029.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48029.json"},{"type":"ADVISORY","url":"https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48029"},{"type":"FIX","url":"https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/strukturag/libheif","events":[{"introduced":"c4e4657dcf6bcc06e934632f97736f7c78dbff9e"},{"fixed":"0c81a846b7401dbdb7118afd0761057f21e43511"}],"database_specific":{"extracted_events":[{"introduced":"1.19.0"},{"fixed":"1.22.0"}],"source":"AFFECTED_FIELD"}}],"versions":["v1.21.2","v1.21.1","v1.21.0","v1.20.1","v1.20.0","v1.19.5","v1.19.4","v1.19.3","v1.19.2","v1.19.1","v1.19.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-48029.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"}]}