CVE-2021-27212

openldap: Assertion failure in slapd in the issuerAndThisUpdateCheck function

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · February 14, 2021

Updated · October 14, 2026

Description

A flaw was found in openldap. An assertion failure in slapd can occur resulting in a denial of service (daemon exit) via a short timestamp. The highest threat from this vulnerability is to system availability.

Statement

Red Hat Enterprise Linux 8 and 9 are not affected as we have not shipped the OpenLDAP-servers package.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-400 · Uncontrolled Resource Consumption