USN-2422-1: Squid vulnerabilities

25 November 2014

squid3 vulnerabilities

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

  • Ubuntu 14.10
  • Ubuntu 14.04 LTS


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

Software Description

  • squid3 - Web proxy cache server


Sebastian Krahmer discovered that the Squid pinger incorrectly handled certain malformed ICMP packets. A remote attacker could possibly use this issue to cause Squid 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 14.10
squid3 - 3.3.8-1ubuntu8.1
Ubuntu 14.04 LTS
squid3 - 3.3.8-1ubuntu6.2

To update your system, please follow these instructions:

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