{"id":"CVE-2023-39975","state":"PUBLISHED","title":"kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. In","description":"kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another.","publishedAt":"2023-08-16T00:00:00.000Z","updatedAt":"2026-02-25T17:20:11.934Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://web.mit.edu/kerberos/www/advisories/","https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final","https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840","https://security.netapp.com/advisory/ntap-20230915-0014/","https://security.netapp.com/advisory/ntap-20240201-0008/","https://security.netapp.com/advisory/ntap-20240201-0005/"],"weaknesses":["CWE-415"],"ingestedAt":"2026-10-29T20:06:08.715Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/39xxx/CVE-2023-39975.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-39975","state":"PUBLISHED","datePublished":"2023-08-16T00:00:00.000Z","dateUpdated":"2026-02-25T17:20:11.934Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2023-08-07T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://web.mit.edu/kerberos/www/advisories/"},{"url":"https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final"},{"url":"https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840"},{"url":"https://security.netapp.com/advisory/ntap-20230915-0014/"},{"url":"https://security.netapp.com/advisory/ntap-20240201-0008/"},{"url":"https://security.netapp.com/advisory/ntap-20240201-0005/"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2024-02-01T17:06:58.025Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://web.mit.edu/kerberos/www/advisories/","tags":["x_transferred"]},{"url":"https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final","tags":["x_transferred"]},{"url":"https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230915-0014/","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20240201-0008/","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20240201-0005/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T18:18:10.190Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2023-39975","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2024-02-15T05:16:00.473844Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-415","lang":"en","type":"CWE","description":"CWE-415 Double Free"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-25T17:20:11.934Z"}}]}}}