USN-3307-2: OpenLDAP vulnerability

19 July 2017

openldap vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.04 ESM


OpenLDAP could be made to crash if it received specially crafted network traffic.

Software Description

  • openldap - OpenLDAP utilities


USN-3307-1 fixed a vulnerability in OpenLDAP. This update provides the corresponding update for ubuntu 12.04 ESM.

Original advisory details:

Karsten Heymann discovered that OpenLDAP incorrectly handled certain search requests. A remote attacker could use this issue to cause slapd to crash, resulting in a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04 ESM
slapd - 2.4.28-1.1ubuntu4.8

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.