USN-780-1: CUPS vulnerability

Ubuntu Security Notice USN-780-1

3rd June, 2009

cups, cupsys vulnerability

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

  • Ubuntu 9.04
  • Ubuntu 8.10
  • Ubuntu 8.04 LTS
  • Ubuntu 6.06 LTS

Software description

  • cups
  • cupsys


Anibal Sacco discovered that CUPS did not properly handle certain network
operations. A remote attacker could exploit this flaw and cause the CUPS
server to crash, resulting in a denial of service.

Update instructions

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

Ubuntu 9.04:
cups 1.3.9-17ubuntu3.1
Ubuntu 8.10:
cups 1.3.9-2ubuntu9.2
Ubuntu 8.04 LTS:
cupsys 1.3.7-1ubuntu3.5
Ubuntu 6.06 LTS:
cupsys 1.2.2-0ubuntu0.6.06.14

To update your system, please follow these instructions:

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