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Ubuntu Security Notice USN-3307-1
June 01, 2017

openldap vulnerability
==========================================================================

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

– Ubuntu 17.04
– Ubuntu 16.10
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

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

Software Description:
– openldap: OpenLDAP utilities

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 17.04:
slapd 2.4.44+dfsg-3ubuntu2.1

Ubuntu 16.10:
slapd 2.4.42+dfsg-2ubuntu4.1

Ubuntu 16.04 LTS:
slapd 2.4.42+dfsg-2ubuntu3.2

Ubuntu 14.04 LTS:
slapd 2.4.31-1+nmu2ubuntu8.4

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

References:
https://www.ubuntu.com/usn/usn-3307-1
CVE-2017-9287

Package Information:
https://launchpad.net/ubuntu/+source/openldap/2.4.44+dfsg-3ubuntu2.1
https://launchpad.net/ubuntu/+source/openldap/2.4.42+dfsg-2ubuntu4.1
https://launchpad.net/ubuntu/+source/openldap/2.4.42+dfsg-2ubuntu3.2
https://launchpad.net/ubuntu/+source/openldap/2.4.31-1+nmu2ubuntu8.4

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