{"schemaVersion":3,"id":"USN-8526-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libheif vulnerabilities\n\nXianrui Dong discovered that libheif had an out-of-bounds read in its\nHEIF sequence track parser. An attacker could possibly use this issue\nto cause a denial of service or obtain sensitive information. This issue\nonly affected Ubuntu 26.04 LTS. (CVE-2026-47254)\n\nJunyi Liu discovered that libheif had a null pointer dereference in its\nimage tiling interface. An attacker could possibly use this issue to\ncause a denial of service. (CVE-2026-47709)\n\nCalvin Young and Enoch Chow discovered that libheif had an integer\noverflow in its inline mask size calculation. An attacker could\npossibly use this issue to cause a denial of service or obtain sensitive\ninformation. (CVE-2026-47714)\n\nAriel Koren discovered that libheif had an integer underflow in its\ngrid image tile coordinate transform. An attacker could possibly use\nthis issue to cause a denial of service or obtain sensitive information.\n(CVE-2026-48029)\n\nIt was discovered that libheif had a missing bound check in its HEIF\nsequence parser, allowing unbounded heap allocation. An attacker could\npossibly use this issue to cause a denial of service. (CVE-2026-50142)","dates":{"published":"2026-07-09T19:25:53.000Z","modified":"2026-08-20T10:45:53.202Z","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":"< 1.20.2-1ubuntu0.6","noFixRecorded":false,"fixedIn":null},{"text":"< 1.21.2-3ubuntu0.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.20.2-1ubuntu0.6 | < 1.21.2-3ubuntu0.3","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8526-1","label":"ubuntu.com/security/notices/USN-8526-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-47254","label":"ubuntu.com/security/CVE-2026-47254","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-47709","label":"ubuntu.com/security/CVE-2026-47709","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-47714","label":"ubuntu.com/security/CVE-2026-47714","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-48029","label":"ubuntu.com/security/CVE-2026-48029","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-50142","label":"ubuntu.com/security/CVE-2026-50142","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2026-47254","CVE-2026-47709","CVE-2026-47714","CVE-2026-48029","CVE-2026-50142"]},"timeline":[{"kind":"published","date":"2026-07-09T19:25:53.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-20T10:45:53.202Z","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":"2026-10-21T06:34:29.351Z","stale":false,"partial":false}}