{"schemaVersion":3,"id":"USN-4274-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libxml2 vulnerabilities\n\nIt was discovered that libxml2 incorrectly handled certain XML files.\nAn attacker could possibly use this issue to cause a denial of service.\n(CVE-2019-19956, CVE-2020-7595)","dates":{"published":"2020-02-10T14:04:28.000Z","modified":"2026-06-29T13:47:57.467Z","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":"< 2.9.1+dfsg1-3ubuntu4.13+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 2.9.3+dfsg1-1ubuntu0.7","noFixRecorded":false,"fixedIn":null},{"text":"< 2.9.4+dfsg1-6.1ubuntu1.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.9.1+dfsg1-3ubuntu4.13+esm1 | < 2.9.3+dfsg1-1ubuntu0.7 | < 2.9.4+dfsg1-6.1ubuntu1.3","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4274-1","label":"ubuntu.com/security/notices/USN-4274-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-19956","label":"ubuntu.com/security/CVE-2019-19956","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-7595","label":"ubuntu.com/security/CVE-2020-7595","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2019-19956","CVE-2020-7595"],"downstream":[],"duplicates":[],"related":["CVE-2019-19956","CVE-2020-7595"]},"timeline":[{"kind":"published","date":"2020-02-10T14:04:28.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-29T13:47:57.467Z","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":"2026-10-19T13:23:34.596Z","stale":false,"partial":false}}