{"schemaVersion":3,"id":"USN-4851-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libsolv vulnerabilities\n\nIt was discovered that Libsolv incorrectly handled certain malformed input.\nAn attacker could use this issue to cause Libsolv to crash, resulting in a\ndenial of service.","dates":{"published":"2021-03-15T22:36:33.000Z","modified":"2026-06-25T13:30:31.603Z","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":"libsolv","name":"libsolv","label":"libsolv","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libsolv","purlType":"deb","versions":[{"text":"< 0.6.11-1.1ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 0.6.30-1ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.6.11-1.1ubuntu0.1~esm1 | < 0.6.30-1ubuntu0.1~esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4851-1","label":"ubuntu.com/security/notices/USN-4851-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-20532","label":"ubuntu.com/security/CVE-2018-20532","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-20533","label":"ubuntu.com/security/CVE-2018-20533","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-20534","label":"ubuntu.com/security/CVE-2018-20534","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2018-20532","CVE-2018-20533","CVE-2018-20534"],"downstream":[],"duplicates":[],"related":["CVE-2018-20532","CVE-2018-20533","CVE-2018-20534"]},"timeline":[{"kind":"published","date":"2021-03-15T22:36:33.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:30:31.603Z","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":"2026-10-20T18:23:49.923Z","stale":false,"partial":false}}