{"schemaVersion":3,"id":"USN-7001-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libxmltok vulnerabilities\n\nShang-Hung Wan discovered that Expat, contained within the xmltok library,\ndid not properly handle certain function calls when a negative input length\nwas provided. An attacker could use this issue to cause a denial of service\nor possibly execute arbitrary code. (CVE-2024-45490)\n\nShang-Hung Wan discovered that Expat, contained within the xmltok library,\ndid not properly handle the potential for an integer overflow on 32-bit\nplatforms. An attacker could use this issue to cause a denial of service or\npossibly execute arbitrary code. (CVE-2024-45491)","dates":{"published":"2024-09-12T10:20:05.000Z","modified":"2026-06-25T13:32:28.950Z","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":"libxmltok","name":"libxmltok","label":"libxmltok","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libxmltok","purlType":"deb","versions":[{"text":"< 1.2-3ubuntu0.16.04.1~esm4","noFixRecorded":false,"fixedIn":null},{"text":"< 1.2-4ubuntu0.18.04.1~esm3","noFixRecorded":false,"fixedIn":null},{"text":"< 1.2-4ubuntu0.20.04.1~esm3","noFixRecorded":false,"fixedIn":null},{"text":"< 1.2-4ubuntu0.22.04.1~esm3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.2-3ubuntu0.16.04.1~esm4 | < 1.2-4ubuntu0.18.04.1~esm3 | < 1.2-4ubuntu0.20.04.1~esm3 | < 1.2-4ubuntu0.22.04.1~esm3","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-7001-1","label":"ubuntu.com/security/notices/USN-7001-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-45490","label":"ubuntu.com/security/CVE-2024-45490","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-45491","label":"ubuntu.com/security/CVE-2024-45491","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2024-45490","CVE-2024-45491"],"downstream":[],"duplicates":[],"related":["CVE-2024-45490","CVE-2024-45491"]},"timeline":[{"kind":"published","date":"2024-09-12T10:20:05.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:32:28.950Z","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":"2026-10-20T06:26:48.588Z","stale":false,"partial":false}}