CVE-2021-27212EPSS p99.3%
CVE-2021-27212CVE-2021-27212
openldap / openldap
Description
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.
Scoring
| CVSS | 7.5 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 66.11% probability of exploitation · percentile 99.3% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-14 |