CVE-2015-1545
openldap: slapd crashes on search with deref control and empty attr list
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · February 3, 2015
Updated · August 5, 2026
Description
The deref_parseCtrl function in servers/slapd/overlays/deref.c in OpenLDAP 2.4.13 through 2.4.40 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an empty attribute list in a deref control in a search request.
Statement
This issue did not affect the versions of openldap as shipped with Red Hat Enterprise Linux 5, 6, and 7 as they did not include support for the deref overlay.
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 2.0 · 5AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE not specified