{"schemaVersion":3,"id":"USN-2982-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libksba vulnerabilities\n\nHanno Böck discovered that Libksba incorrectly handled decoding certain BER\ndata. An attacker could use this issue to cause Libksba to crash, resulting\nin a denial of service. This issue only applied to Ubuntu 12.04 LTS and\nUbuntu 14.04 LTS. (CVE-2016-4353)\n\nHanno Böck discovered that Libksba incorrectly handled decoding certain BER\ndata. An attacker could use this issue to cause Libksba to crash, resulting\nin a denial of service, or possibly execute arbitrary code. This issue only\napplied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-4354,\nCVE-2016-4355)\n\nHanno Böck discovered that Libksba incorrectly handled incorrect utf-8\nstrings when decoding certain DN data. An attacker could use this issue to\ncause Libksba to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. This issue only applied to Ubuntu 12.04 LTS and\nUbuntu 14.04 LTS. (CVE-2016-4356)\n\nPascal Cuoq discovered that Libksba incorrectly handled incorrect utf-8\nstrings when decoding certain DN data. An attacker could use this issue to\ncause Libksba to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2016-4574)\n\nPascal Cuoq discovered that Libksba incorrectly handled decoding certain\ndata. An attacker could use this issue to cause Libksba to crash, resulting\nin a denial of service. (CVE-2016-4579)","dates":{"published":"2016-05-17T15:34:41.000Z","modified":"2026-04-22T09:24:03.995Z","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":"libksba","name":"libksba","label":"libksba","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libksba","purlType":"deb","versions":[{"text":"< 1.3.0-3ubuntu0.14.04.2","noFixRecorded":false,"fixedIn":null},{"text":"< 1.3.3-1ubuntu0.16.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.0-3ubuntu0.14.04.2 | < 1.3.3-1ubuntu0.16.04.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-2982-1","label":"ubuntu.com/security/notices/USN-2982-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-4353","label":"ubuntu.com/security/CVE-2016-4353","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-4354","label":"ubuntu.com/security/CVE-2016-4354","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-4355","label":"ubuntu.com/security/CVE-2016-4355","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-4356","label":"ubuntu.com/security/CVE-2016-4356","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-4574","label":"ubuntu.com/security/CVE-2016-4574","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-4579","label":"ubuntu.com/security/CVE-2016-4579","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2016-4353","CVE-2016-4354","CVE-2016-4355","CVE-2016-4356","CVE-2016-4574","CVE-2016-4579"],"downstream":[],"duplicates":[],"related":["CVE-2016-4353","CVE-2016-4354","CVE-2016-4355","CVE-2016-4356","CVE-2016-4574","CVE-2016-4579"]},"timeline":[{"kind":"published","date":"2016-05-17T15:34:41.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T09:24:03.995Z","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":"2026-10-20T05:38:27.559Z","stale":false,"partial":false}}