{"schemaVersion":3,"id":"CVE-2017-11462","aliases":["SUSE-SU-2017:2659-1","UBUNTU-CVE-2017-11462","DEBIAN-CVE-2017-11462"],"status":"published","duplicateOf":null,"title":null,"description":"Double free vulnerability in MIT Kerberos 5 (aka krb5) allows attackers to have unspecified impact via vectors involving automatic deletion of security contexts on error.","dates":{"published":"2017-09-13T16:00:00.000Z","modified":"2024-08-05T18:12:39.893Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":9.8,"severity":"critical","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Debian","score":9.8,"severity":"critical","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true}]},"epss":{"probability":0.05481,"percentile":0.92683,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.05481},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.05481,"percentile":0.92683}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04613,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.05481,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.05481,"percentile":0.92683}]},"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":[{"id":"CWE-415","name":"Double Free","description":"The product calls free() twice on the same memory address.","type":"weakness","status":"Draft","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/415.html"}],"affected":[{"vendor":"debian","product":"krb5","name":"krb5","label":"krb5","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/krb5","purlType":"deb","versions":[{"text":"< 1.15.2-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.15.2-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"krb5","name":"krb5","label":"krb5","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/krb5","purlType":"deb","versions":[{"text":"< 1.12+dfsg-2ubuntu5.4","noFixRecorded":false,"fixedIn":null},{"text":"< 1.13.2+dfsg-5ubuntu2.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.12+dfsg-2ubuntu5.4 | < 1.13.2+dfsg-5ubuntu2.1","eol":null,"hubHref":null},{"vendor":"fedoraproject","product":"fedora","name":"fedora","label":"fedora","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"25","noFixRecorded":false,"fixedIn":null},{"text":"26","noFixRecorded":false,"fixedIn":null}],"versionsText":"25 | 26","eol":{"isEol":true,"eolDate":"2017-12-12T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"25","label":"25","eolFrom":"2017-12-12T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"fedora","label":"Fedora Linux","category":"os"}},"hubHref":"/vendor/fedoraproject/fedora"},{"vendor":"mit","product":"kerberos_5","name":"kerberos 5","label":"kerberos_5","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.14","noFixRecorded":false,"fixedIn":null},{"text":"1.14:alpha1","noFixRecorded":false,"fixedIn":null},{"text":"1.14:beta1","noFixRecorded":false,"fixedIn":null},{"text":"1.14:beta2","noFixRecorded":false,"fixedIn":null},{"text":"1.14.1","noFixRecorded":false,"fixedIn":null},{"text":"1.14.2","noFixRecorded":false,"fixedIn":null},{"text":"1.14.3","noFixRecorded":false,"fixedIn":null},{"text":"1.14.4","noFixRecorded":false,"fixedIn":null},{"text":"1.14.5","noFixRecorded":false,"fixedIn":null},{"text":"1.15","noFixRecorded":false,"fixedIn":null},{"text":"1.15.1","noFixRecorded":false,"fixedIn":null},{"text":"1.15.1:beta1","noFixRecorded":false,"fixedIn":null},{"text":"1.15.1:beta2","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.14 | 1.14:alpha1 | 1.14:beta1 | 1.14:beta2 | 1.14.1 | 1.14.2 | 1.14.3 | 1.14.4 | 1.14.5 | 1.15 | 1.15.1 | 1.15.1:beta1 | 1.15.1:beta2","eol":null,"hubHref":"/vendor/mit/kerberos_5"},{"vendor":"suse","product":"krb5&distro=SUSE Linux Enterprise Desktop 12 SP2","name":"krb5","label":"krb5&distro=SUSE Linux Enterprise Desktop 12 SP2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/krb5&distro=SUSE Linux Enterprise Desktop 12 SP2","purlType":"rpm","versions":[{"text":"< 1.12.5-40.13.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.12.5-40.13.1","eol":null,"hubHref":null},{"vendor":"suse","product":"krb5&distro=SUSE Linux Enterprise Desktop 12 SP3","name":"krb5","label":"krb5&distro=SUSE Linux Enterprise Desktop 12 SP3","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/krb5&distro=SUSE Linux Enterprise Desktop 12 SP3","purlType":"rpm","versions":[{"text":"< 1.12.5-40.13.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.12.5-40.13.1","eol":null,"hubHref":null},{"vendor":"suse","product":"krb5&distro=SUSE Linux Enterprise Server 12 SP2","name":"krb5","label":"krb5&distro=SUSE Linux Enterprise Server 12 SP2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/krb5&distro=SUSE Linux Enterprise Server 12 SP2","purlType":"rpm","versions":[{"text":"< 1.12.5-40.13.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.12.5-40.13.1","eol":null,"hubHref":null},{"vendor":"suse","product":"krb5&distro=SUSE Linux Enterprise Server 12 SP3","name":"krb5","label":"krb5&distro=SUSE Linux Enterprise Server 12 SP3","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/krb5&distro=SUSE Linux Enterprise Server 12 SP3","purlType":"rpm","versions":[{"text":"< 1.12.5-40.13.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.12.5-40.13.1","eol":null,"hubHref":null},{"vendor":"suse","product":"krb5&distro=SUSE Linux Enterprise Server for Raspberry Pi 12 SP2","name":"krb5","label":"krb5&distro=SUSE Linux Enterprise Server for Raspberry Pi 12 SP2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/krb5&distro=SUSE Linux Enterprise Server for Raspberry Pi 12 SP2","purlType":"rpm","versions":[{"text":"< 1.12.5-40.13.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.12.5-40.13.1","eol":null,"hubHref":null},{"vendor":"suse","product":"krb5&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP2","name":"krb5","label":"krb5&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/krb5&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP2","purlType":"rpm","versions":[{"text":"< 1.12.5-40.13.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.12.5-40.13.1","eol":null,"hubHref":null},{"vendor":"suse","product":"krb5&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP3","name":"krb5","label":"krb5&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP3","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/krb5&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP3","purlType":"rpm","versions":[{"text":"< 1.12.5-40.13.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.12.5-40.13.1","eol":null,"hubHref":null},{"vendor":"suse","product":"krb5&distro=SUSE Linux Enterprise Software Development Kit 12 SP2","name":"krb5","label":"krb5&distro=SUSE Linux Enterprise Software Development Kit 12 SP2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/krb5&distro=SUSE Linux Enterprise Software Development Kit 12 SP2","purlType":"rpm","versions":[{"text":"< 1.12.5-40.13.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.12.5-40.13.1","eol":null,"hubHref":null},{"vendor":"suse","product":"krb5&distro=SUSE Linux Enterprise Software Development Kit 12 SP3","name":"krb5","label":"krb5&distro=SUSE Linux Enterprise Software Development Kit 12 SP3","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/krb5&distro=SUSE Linux Enterprise Software Development Kit 12 SP3","purlType":"rpm","versions":[{"text":"< 1.12.5-40.13.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.12.5-40.13.1","eol":null,"hubHref":null}],"affectedCount":13,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf","label":"github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf","hostname":"github.com","tags":["X Refsource CONFIRM","Patch","Third Party Advisory"]},{"url":"http://krbdev.mit.edu/rt/Ticket/Display.html?id=8598","label":"krbdev.mit.edu/rt/Ticket/Display.html?id=8598","hostname":"krbdev.mit.edu","tags":["X Refsource CONFIRM","Vendor Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FPRUP4YVOEBGEROUYWZFEQ64HTMGNED/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1488873","label":"bugzilla.redhat.com/show_bug.cgi?id=1488873","hostname":"bugzilla.redhat.com","tags":["X Refsource CONFIRM","Issue Tracking","Patch","Third Party Advisory","VDB Entry"]},{"url":"https://www.suse.com/support/update/announcement/2017/suse-su-20172659-1/","label":"www.suse.com/support/update/announcement/2017/suse-su-20172659-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1032680","label":"bugzilla.suse.com/1032680","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1054028","label":"bugzilla.suse.com/1054028","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1056995","label":"bugzilla.suse.com/1056995","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/903543","label":"bugzilla.suse.com/903543","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2017-11462","label":"www.suse.com/security/cve/CVE-2017-11462","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://ubuntu.com/security/CVE-2017-11462","label":"ubuntu.com/security/CVE-2017-11462","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-11462","label":"www.cve.org/CVERecord?id=CVE-2017-11462","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-11462","label":"security-tracker.debian.org/tracker/CVE-2017-11462","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["MGASA-2017-0420","OPENSUSE-SU-2024:10899-1","SUSE-SU-2018:0859-1"],"duplicates":[],"related":["OPENSUSE-SU-2024:10899-1","SUSE-SU-2018:0859-1"]},"timeline":[{"kind":"published","date":"2017-09-13T16:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T18:12:39.893Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T15:43:42.769Z","stale":false,"partial":false}}