{"schemaVersion":3,"id":"USN-8846-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libheif vulnerabilities\n\nYuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain\ncompressed metadata. A remote attacker could possibly use this issue to\ncause a denial of service. This issue only affected Ubuntu 24.04 LTS and\nUbuntu 26.04 LTS. (CVE-2026-84384)\n\nYuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain\nHEIF sequence data. A remote attacker could possibly use this issue to\ncause a denial of service. This issue only affected Ubuntu 26.04 LTS.\n(CVE-2026-84446)\n\nYuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain\nimage references. A remote attacker could possibly use this issue to\ncause a denial of service. This issue only affected Ubuntu 26.04 LTS.\n(CVE-2026-84447)\n\nIt was discovered that libheif incorrectly handled certain region masks.\nA local attacker could possibly use this issue to obtain sensitive\ninformation or cause a denial of service. This issue only affected Ubuntu\n24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-84448)\n\nIt was discovered that libheif incorrectly handled certain images. A\nremote attacker could possibly use this issue to cause a denial of\nservice. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS,\nUbuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-84449)","dates":{"published":"2026-09-29T16:18:50.000Z","modified":"2026-10-17T12:55:35.180Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"libheif","name":"libheif","label":"libheif","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libheif","purlType":"deb","versions":[{"text":"< 1.1.0-2ubuntu0.1~esm5","noFixRecorded":false,"fixedIn":null},{"text":"< 1.6.1-1ubuntu0.1~esm5","noFixRecorded":false,"fixedIn":null},{"text":"< 1.12.0-2ubuntu0.1~esm5","noFixRecorded":false,"fixedIn":null},{"text":"< 1.17.6-1ubuntu4.9","noFixRecorded":false,"fixedIn":null},{"text":"< 1.21.2-3ubuntu0.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.1.0-2ubuntu0.1~esm5 | < 1.6.1-1ubuntu0.1~esm5 | < 1.12.0-2ubuntu0.1~esm5 | < 1.17.6-1ubuntu4.9 | < 1.21.2-3ubuntu0.6","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8846-1","label":"ubuntu.com/security/notices/USN-8846-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-84384","label":"ubuntu.com/security/CVE-2026-84384","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-84446","label":"ubuntu.com/security/CVE-2026-84446","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-84447","label":"ubuntu.com/security/CVE-2026-84447","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-84448","label":"ubuntu.com/security/CVE-2026-84448","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-84449","label":"ubuntu.com/security/CVE-2026-84449","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2026-84384","CVE-2026-84446","CVE-2026-84447","CVE-2026-84448","CVE-2026-84449"],"downstream":[],"duplicates":[],"related":["CVE-2026-84384","CVE-2026-84446","CVE-2026-84447","CVE-2026-84448","CVE-2026-84449"]},"timeline":[{"kind":"published","date":"2026-09-29T16:18:50.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-17T12:55:35.180Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T02:17:41.588Z","stale":false,"partial":false}}