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. CREATE(Triage):(User=admin) [CVE-2021-27212|https://nvd.nist.gov/vuln/detail/CVE-2021-27212]
