A vulnerability has been found in MIT Kerberos 5 and classified as problematic . Affected by this vulnerability is the function berval2tl_data in the library plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c . Performing a manipulation results in integer underflow. This vulnerability is cataloged as CVE-2026-11850 . It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.