{"schemaVersion":3,"id":"USN-3158-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"samba vulnerabilities\n\nFrederic Besler and others discovered that the ndr_pull_dnsp_nam\nfunction in Samba contained an integer overflow. An authenticated\nattacker could use this to gain administrative privileges. This issue\nonly affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 16.10.\n(CVE-2016-2123)\n\nSimo Sorce discovered that that Samba clients always requested\na forwardable ticket when using Kerberos authentication. An\nattacker could use this to impersonate an authenticated user or\nservice. (CVE-2016-2125)\n\nVolker Lendecke discovered that Kerberos PAC validation implementation\nin Samba contained multiple vulnerabilities. An authenticated attacker\ncould use this to cause a denial of service or gain administrative\nprivileges. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04\nLTS, and Ubuntu 16.10. (CVE-2016-2126)","dates":{"published":"2016-12-19T17:34:58.000Z","modified":"2026-04-22T09:30:51.165Z","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":"samba","name":"samba","label":"samba","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/samba","purlType":"deb","versions":[{"text":"< 2:4.3.11+dfsg-0ubuntu0.14.04.4","noFixRecorded":false,"fixedIn":null},{"text":"< 2:4.3.11+dfsg-0ubuntu0.16.04.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2:4.3.11+dfsg-0ubuntu0.14.04.4 | < 2:4.3.11+dfsg-0ubuntu0.16.04.3","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"samba","label":"Samba","category":"server-app"}},"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-3158-1","label":"ubuntu.com/security/notices/USN-3158-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-2123","label":"ubuntu.com/security/CVE-2016-2123","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-2125","label":"ubuntu.com/security/CVE-2016-2125","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-2126","label":"ubuntu.com/security/CVE-2016-2126","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2016-2123","CVE-2016-2125","CVE-2016-2126"],"downstream":[],"duplicates":[],"related":["CVE-2016-2123","CVE-2016-2125","CVE-2016-2126"]},"timeline":[{"kind":"published","date":"2016-12-19T17:34:58.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T09:30:51.165Z","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":"2026-10-19T18:20:13.741Z","stale":false,"partial":false}}