{"schemaVersion":3,"id":"USN-5102-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"mercurial vulnerabilities\n\nIt was discovered that Mercurial mishandled symlinks in subrepositories. An\nattacker could use this issue to write arbitrary files to the\ntarget’s filesystem. (CVE-2019-3902)\n\nIt was discovered that Mercurial incorrectly handled certain manifest files.\nAn attacker could use this issue to cause a denial of service and possibly\nexecute arbitrary code. (CVE-2018-17983)","dates":{"published":"2021-10-04T17:25:49.000Z","modified":"2026-02-10T04:42:20.000Z","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":"mercurial","name":"mercurial","label":"mercurial","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/mercurial","purlType":"deb","versions":[{"text":"< 4.5.3-1ubuntu2.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.5.3-1ubuntu2.2","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5102-1","label":"ubuntu.com/security/notices/USN-5102-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-17983","label":"ubuntu.com/security/CVE-2018-17983","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-3902","label":"ubuntu.com/security/CVE-2019-3902","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2018-17983","CVE-2019-3902"],"downstream":[],"duplicates":[],"related":["CVE-2018-17983","CVE-2019-3902"]},"timeline":[{"kind":"published","date":"2021-10-04T17:25:49.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-10T04:42:20.000Z","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":"2026-10-20T03:15:43.070Z","stale":false,"partial":false}}