In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.
{ "cpes": [ "cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*", "cpe:2.3:a:openldap:openldap:2.5.0:alpha:*:*:*:*:*:*", "cpe:2.3:a:openldap:openldap:2.5.1:alpha:*:*:*:*:*:*" ], "severity": "High" }