CVE-2013-4449: Debian Linux

Medium severity, CVSS 4.3. EPSS: 10.9% chance of exploitation in the next 30 days.

The rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a denial of service (slapd crash) by unbinding immediately after a search request, which triggers rwm_conn_destroy to free the session context while it is being used by rwm_op_search.

Affected products

• Debian Debian Linux: version 7.0 only; version 8.0 only
• Openldap Openldap: up to and including 2.4.36; version 2.4.6 only; version 2.4.7 only; version 2.4.8 only; version 2.4.9 only; version 2.4.10 only; …

Published 2014-02-05. Last modified 2026-06-16.