{"schemaVersion":3,"id":"USN-3491-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"ldns vulnerabilities\n\nLeon Weber discovered that the ldns-keygen tool incorrectly set permissions\non private keys. A local attacker could possibly use this issue to obtain\ngenerated private keys. This issue only applied to Ubuntu 14.04 LTS.\n(CVE-2014-3209)\n\nStephan Zeisberg discovered that ldns incorrectly handled memory when\nprocessing data. A remote attacker could use this issue to cause ldns to\ncrash, resulting in a denial of service, or possibly execute arbitrary\ncode. (CVE-2017-1000231, CVE-2017-1000232)","dates":{"published":"2017-11-22T18:15:23.000Z","modified":"2026-04-22T09:41:04.223Z","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":"ldns","name":"ldns","label":"ldns","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/ldns","purlType":"deb","versions":[{"text":"< 1.6.17-1ubuntu0.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.6.17-8ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.6.17-1ubuntu0.1 | < 1.6.17-8ubuntu0.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-3491-1","label":"ubuntu.com/security/notices/USN-3491-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2014-3209","label":"ubuntu.com/security/CVE-2014-3209","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2017-1000231","label":"ubuntu.com/security/CVE-2017-1000231","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2017-1000232","label":"ubuntu.com/security/CVE-2017-1000232","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2014-3209","CVE-2017-1000231","CVE-2017-1000232"],"downstream":[],"duplicates":[],"related":["CVE-2014-3209","CVE-2017-1000231","CVE-2017-1000232"]},"timeline":[{"kind":"published","date":"2017-11-22T18:15:23.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T09:41:04.223Z","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":"2026-10-20T04:07:25.641Z","stale":false,"partial":false}}