{"schemaVersion":3,"id":"USN-3809-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"openssh regression\n\nUSN-3809-1 fixed vulnerabilities in OpenSSH. The update for CVE-2018-15473\nwas incomplete and could introduce a regression in certain environments.\nThis update fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Robert Swiecki discovered that OpenSSH incorrectly handled certain messages.\n An attacker could possibly use this issue to cause a denial of service.\n This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.\n (CVE-2016-10708)\n\n It was discovered that OpenSSH incorrectly handled certain requests.\n An attacker could possibly use this issue to access sensitive information.\n (CVE-2018-15473)","dates":{"published":"2021-08-12T11:59:35.000Z","modified":"2026-02-10T04:41:26.000Z","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":"openssh","name":"openssh","label":"openssh","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/openssh","purlType":"deb","versions":[{"text":"< 1:7.6p1-4ubuntu0.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:7.6p1-4ubuntu0.5","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-3809-2","label":"ubuntu.com/security/notices/USN-3809-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://launchpad.net/bugs/1934501","label":"launchpad.net/bugs/1934501","hostname":"launchpad.net","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-08-12T11:59:35.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-10T04:41:26.000Z","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":"2026-10-20T04:07:01.639Z","stale":false,"partial":false}}