USN-1132-1: apturl vulnerability

16 May 2011

apturl vulnerability

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

  • Ubuntu 11.04
  • Ubuntu 10.10
  • Ubuntu 10.04 LTS


apturl could be made to cause your desktop to crash if it opened a very long URL.

Software Description

  • apturl - installs packages using the apt protocol


It was discovered that apturl incorrectly handled certain long URLs. If a user were tricked into opening a very long URL, an attacker could cause their desktop session to crash, leading to a denial of service.

Update instructions

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

Ubuntu 11.04
apturl-common - 0.4.2ubuntu5.1
Ubuntu 10.10
apturl-common - 0.4.1ubuntu7.1
Ubuntu 10.04 LTS
apturl-common - 0.4.1ubuntu4.1

To update your system, please follow these instructions:

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