{"schemaVersion":3,"id":"USN-7270-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"openssh vulnerabilities\n\nIt was discovered that the OpenSSH client incorrectly handled the\nnon-default VerifyHostKeyDNS option. If that option were enabled, an\nattacker could possibly impersonate a server by completely bypassing the\nserver identity check. (CVE-2025-26465)\n\nIt was discovered that OpenSSH incorrectly handled the transport-level ping\nfacility. A remote attacker could possibly use this issue to cause OpenSSH\nclients and servers to consume resources, leading to a denial of service.\nThis issue only affected Ubuntu 24.04 LTS and Ubuntu 24.10.\n(CVE-2025-26466)","dates":{"published":"2025-02-18T13:04:34.000Z","modified":"2026-04-27T17:47:14.787Z","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":"< 1:8.2p1-4ubuntu0.12","noFixRecorded":false,"fixedIn":null},{"text":"< 1:8.9p1-3ubuntu0.11","noFixRecorded":false,"fixedIn":null},{"text":"< 1:9.6p1-3ubuntu13.8","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:8.2p1-4ubuntu0.12 | < 1:8.9p1-3ubuntu0.11 | < 1:9.6p1-3ubuntu13.8","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-7270-1","label":"ubuntu.com/security/notices/USN-7270-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-26465","label":"ubuntu.com/security/CVE-2025-26465","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2025-26466","label":"ubuntu.com/security/CVE-2025-26466","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2025-26465","CVE-2025-26466"],"downstream":[],"duplicates":[],"related":["CVE-2025-26465","CVE-2025-26466"]},"timeline":[{"kind":"published","date":"2025-02-18T13:04:34.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T17:47:14.787Z","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":"2026-10-20T17:25:38.004Z","stale":false,"partial":false}}