{"schemaVersion":3,"id":"USN-6709-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"openssl1.0 vulnerabilities\n\n\nIt was discovered that checking excessively long DH keys or parameters\nmay be very slow. A remote attacker could possibly use this issue to\ncause OpenSSL to consume resources, resulting in a denial of service.\n(CVE-2023-3446)\n\nAfter the fix for CVE-2023-3446 Bernd Edlinger discovered that a large\nq parameter value can also trigger an overly long computation during\nsome of these checks. A remote attacker could possibly use this issue\nto cause OpenSSL to consume resources, resulting in a denial of\nservice. (CVE-2023-3817)\n\nDavid Benjamin discovered that generating excessively long X9.42 DH\nkeys or checking excessively long X9.42 DH keys or parameters may be\nvery slow. A remote attacker could possibly use this issue to cause\nOpenSSL to consume resources, resulting in a denial of service.\n(CVE-2023-5678)\n\nBahaa Naamneh discovered that processing a maliciously formatted\nPKCS12 file may lead OpenSSL to crash leading to a potential Denial of\nService attack. (CVE-2024-0727)","dates":{"published":"2024-03-21T16:53:43.000Z","modified":"2026-04-27T17:10:32.146Z","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":"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-1ubuntu5.13+esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.2n-1ubuntu5.13+esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6709-1","label":"ubuntu.com/security/notices/USN-6709-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-3446","label":"ubuntu.com/security/CVE-2023-3446","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-3817","label":"ubuntu.com/security/CVE-2023-3817","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-5678","label":"ubuntu.com/security/CVE-2023-5678","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-0727","label":"ubuntu.com/security/CVE-2024-0727","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2023-3446","CVE-2023-3817","CVE-2023-5678","CVE-2024-0727"],"downstream":[],"duplicates":[],"related":["CVE-2023-3446","CVE-2023-3817","CVE-2023-5678","CVE-2024-0727"]},"timeline":[{"kind":"published","date":"2024-03-21T16:53:43.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T17:10:32.146Z","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":"2026-10-20T16:20:27.460Z","stale":false,"partial":false}}