USN-552-1: Perl vulnerability

4 December 2007

perl vulnerability

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

  • Ubuntu 7.10
  • Ubuntu 7.04
  • Ubuntu 6.10
  • Ubuntu 6.06 LTS

Software Description

  • perl


It was discovered that Perl’s regular expression library did not correctly handle certain UTF sequences. If a user or automated system were tricked into running a specially crafted regular expression, a remote attacker could crash the application or possibly execute arbitrary code with user privileges.

Update instructions

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

Ubuntu 7.10
libperl5.8 - 5.8.8-7ubuntu3.1
Ubuntu 7.04
libperl5.8 - 5.8.8-7ubuntu0.1
Ubuntu 6.10
libperl5.8 - 5.8.8-6ubuntu0.1
Ubuntu 6.06 LTS
libperl5.8 - 5.8.7-10ubuntu1.1

To update your system, please follow these instructions:

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