USN-624-1: PCRE vulnerability

Ubuntu Security Notice USN-624-1

14th July, 2008

pcre3 vulnerability

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

  • Ubuntu 8.04 LTS
  • Ubuntu 7.10
  • Ubuntu 7.04
  • Ubuntu 6.06 LTS

Software description

  • pcre3


Tavis Ormandy discovered that the PCRE library did not correctly handle
certain in-pattern options. An attacker could cause applications linked
against pcre3 to crash, leading to a denial of service.

Update instructions

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

Ubuntu 8.04 LTS:
libpcre3 7.4-1ubuntu2.1
Ubuntu 7.10:
libpcre3 7.4-0ubuntu0.7.10.3
Ubuntu 7.04:
libpcre3 7.4-0ubuntu0.7.04.3
Ubuntu 6.06 LTS:
libpcre3 7.4-0ubuntu0.6.06.3

To update your system, please follow these instructions:

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