{"schemaVersion":3,"id":"USN-8585-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"krb5 vulnerabilities\n\nIt was discovered that Kerberos had an integer underflow vulnerability\nin the berval2tl_data() function. An attacker could possibly use this issue\nto cause Kerberos to crash, resulting in a denial of service.\n(CVE-2026-11850)\n\nIt was discovered that Kerberos had vulnerabilities in its NegoEx mechanism\nparsing. A remote attacker could possibly use these issues to cause\nKerberos to crash, resulting in a denial of service. (CVE-2026-40355,\nCVE-2026-40356)","dates":{"published":"2026-07-22T13:04:35.000Z","modified":"2026-07-22T20:59:37.292Z","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":"krb5","name":"krb5","label":"krb5","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/krb5","purlType":"deb","versions":[{"text":"< 1.19.2-2ubuntu0.8","noFixRecorded":false,"fixedIn":null},{"text":"< 1.20.1-6ubuntu2.7","noFixRecorded":false,"fixedIn":null},{"text":"< 1.22.1-2ubuntu4.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.19.2-2ubuntu0.8 | < 1.20.1-6ubuntu2.7 | < 1.22.1-2ubuntu4.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8585-1","label":"ubuntu.com/security/notices/USN-8585-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-11850","label":"ubuntu.com/security/CVE-2026-11850","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-40355","label":"ubuntu.com/security/CVE-2026-40355","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-40356","label":"ubuntu.com/security/CVE-2026-40356","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2026-11850","CVE-2026-40355","CVE-2026-40356"],"downstream":[],"duplicates":[],"related":["CVE-2026-11850","CVE-2026-40355","CVE-2026-40356"]},"timeline":[{"kind":"published","date":"2026-07-22T13:04:35.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-22T20:59:37.292Z","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":"2026-10-20T18:46:43.363Z","stale":false,"partial":false}}