{"schemaVersion":3,"id":"USN-3692-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"openssl, openssl1.0 vulnerabilities\n\nKeegan Ryan discovered that OpenSSL incorrectly handled ECDSA key\ngeneration. An attacker could possibly use this issue to perform a\ncache-timing attack and recover private ECDSA keys. (CVE-2018-0495)\n\nGuido Vranken discovered that OpenSSL incorrectly handled very large prime\nvalues during a key agreement. A remote attacker could possibly use this\nissue to consume resources, leading to a denial of service. (CVE-2018-0732)\n\nAlejandro Cabrera Aldaya, Billy Brumley, Cesar Pereida Garcia and Luis\nManuel Alvarez Tapia discovered that OpenSSL incorrectly handled RSA key\ngeneration. An attacker could possibly use this issue to perform a\ncache-timing attack and recover private RSA keys. (CVE-2018-0737)","dates":{"published":"2018-06-26T12:08:09.000Z","modified":"2026-04-22T09:46:25.272Z","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":"openssl","name":"openssl","label":"openssl","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/openssl","purlType":"deb","versions":[{"text":"< 1.0.1f-1ubuntu2.26","noFixRecorded":false,"fixedIn":null},{"text":"< 1.0.2g-1ubuntu4.13","noFixRecorded":false,"fixedIn":null},{"text":"< 1.1.0g-2ubuntu4.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.1f-1ubuntu2.26 | < 1.0.2g-1ubuntu4.13 | < 1.1.0g-2ubuntu4.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"openssl1.0","name":"openssl1.0","label":"openssl1.0","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/openssl1.0","purlType":"deb","versions":[{"text":"< 1.0.2n-1ubuntu5.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.2n-1ubuntu5.1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-3692-1","label":"ubuntu.com/security/notices/USN-3692-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-0495","label":"ubuntu.com/security/CVE-2018-0495","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-0732","label":"ubuntu.com/security/CVE-2018-0732","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-0737","label":"ubuntu.com/security/CVE-2018-0737","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2018-0495","CVE-2018-0732","CVE-2018-0737"],"downstream":[],"duplicates":[],"related":["CVE-2018-0495","CVE-2018-0732","CVE-2018-0737"]},"timeline":[{"kind":"published","date":"2018-06-26T12:08:09.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T09:46:25.272Z","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":"2026-10-19T08:21:56.962Z","stale":false,"partial":false}}