=========================================================================Ubuntu Security Notice USN-2755-1
September 30, 2015

cyrus-sasl2 vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.04

Summary:

Cyrus SASL could be made to crash if it processed specially crafted input.

Software Description:
- cyrus-sasl2: Cyrus Simple Authentication and Security Layer

Details:

It was discovered that Cyrus SASL incorrectly handled certain invalid
password salts. An attacker could use this issue to cause Cyrus SASL 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 15.04:
  libsasl2-2                      2.1.26.dfsg1-13ubuntu0.1

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-2755-1
  CVE-2013-4122

Package Information:
  https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.26.dfsg1-13ubuntu0.1