{"id":"CVE-2018-5710","details":"An issue was discovered in MIT Kerberos 5 (aka krb5) through 1.16. The pre-defined function \"strlen\" is getting a \"NULL\" string as a parameter value in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the Key Distribution Center (KDC), which allows remote authenticated users to cause a denial of service (NULL pointer dereference) via a modified kadmin client.","modified":"2026-07-01T11:53:14.983971143Z","published":"2018-01-16T09:29:00.530Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"last_affected":"5-1.16"}],"source":"CPE_RANGE","vendor_product":"mit:kerberos","cpes":["cpe:2.3:a:mit:kerberos:*:*:*:*:*:*:*:*"]}]},"references":[{"type":"WEB","url":"https://github.com/poojamnit/Kerberos-V5-1.16-Vulnerabilities/tree/master/Denial%20Of%20Service%28DoS%29"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/krb5/krb5","events":[{"introduced":"0"},{"fixed":"ae432f4b3b58c29bd6799e158c83ff4ee1d3ddb0"}],"database_specific":{"source":"DESCRIPTION","extracted_events":[{"introduced":"0"},{"fixed":"1.16"}]}}],"versions":["krb5-1.16-beta2","krb5-1.16-beta1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-5710.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}