{"schemaVersion":3,"id":"USN-7240-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libxml2 vulnerabilities\n\nIt was discovered that libxml2 incorrectly handled certain memory\noperations. A remote attacker could use this issue to cause libxml2 to\ncrash, resulting in a denial of service, or possibly execute arbitrary\ncode. (CVE-2022-49043)\n\nIt was discovered that the libxml2 xmllint tool incorrectly handled\ncertain memory operations. If a user or automated system were tricked into\nrunning xmllint on a specially crafted xml file, a remote attacker could\ncause xmllint to crash, resulting in a denial of service. (CVE-2024-34459)","dates":{"published":"2025-01-29T15:20:24.000Z","modified":"2026-04-22T10:55:00.954Z","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":"libxml2","name":"libxml2","label":"libxml2","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libxml2","purlType":"deb","versions":[{"text":"< 2.9.10+dfsg-5ubuntu0.20.04.8","noFixRecorded":false,"fixedIn":null},{"text":"< 2.9.13+dfsg-1ubuntu0.5","noFixRecorded":false,"fixedIn":null},{"text":"< 2.9.14+dfsg-1.3ubuntu3.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.9.10+dfsg-5ubuntu0.20.04.8 | < 2.9.13+dfsg-1ubuntu0.5 | < 2.9.14+dfsg-1.3ubuntu3.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-7240-1","label":"ubuntu.com/security/notices/USN-7240-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-49043","label":"ubuntu.com/security/CVE-2022-49043","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-34459","label":"ubuntu.com/security/CVE-2024-34459","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2022-49043","CVE-2024-34459"],"downstream":[],"duplicates":[],"related":["CVE-2022-49043","CVE-2024-34459"]},"timeline":[{"kind":"published","date":"2025-01-29T15:20:24.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T10:55:00.954Z","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":"2026-10-20T11:53:49.755Z","stale":false,"partial":false}}