{"schemaVersion":3,"id":"USN-8649-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libheif vulnerabilities\n\nIt was discovered that libheif had an integer underflow in the Fraction\nconstructor when a clap transform was applied twice. An attacker could\npossibly use this issue to cause libheif to crash, resulting in a denial of\nservice. (CVE-2026-62289)\n\nIt was discovered that libheif had an out-of-bounds read in uncompressed\ntile range slicing. An attacker could possibly use this issue to cause\nlibheif to crash, resulting in a denial of service. This issue only\naffected Ubuntu 25.10. (CVE-2026-62292)","dates":{"published":"2026-08-19T12:39:30.000Z","modified":"2026-08-20T10:45:55.478Z","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":"< 1.17.6-1ubuntu4.7","noFixRecorded":false,"fixedIn":null},{"text":"< 1.21.2-3ubuntu0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.17.6-1ubuntu4.7 | < 1.21.2-3ubuntu0.4","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8649-1","label":"ubuntu.com/security/notices/USN-8649-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-62289","label":"ubuntu.com/security/CVE-2026-62289","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-62292","label":"ubuntu.com/security/CVE-2026-62292","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2026-62289","CVE-2026-62292"]},"timeline":[{"kind":"published","date":"2026-08-19T12:39:30.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-20T10:45:55.478Z","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":"2026-10-20T15:33:34.250Z","stale":false,"partial":false}}