USN-858-1: OpenLDAP vulnerability

Ubuntu Security Notice USN-858-1

12th November, 2009

openldap2.2 vulnerability

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

  • Ubuntu 6.06 LTS

Software description

  • openldap2.2


It was discovered that OpenLDAP did not correctly handle SSL certificates
with zero bytes in the Common Name. A remote attacker could exploit this to
perform a man in the middle attack to view sensitive information or alter
encrypted communications.

Update instructions

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

Ubuntu 6.06 LTS:
libldap-2.2-7 2.2.26-5ubuntu2.9

To update your system, please follow these instructions:

In general, a standard system upgrade is sufficient to effect the
necessary changes.