USN-753-1: PostgreSQL vulnerability

Ubuntu Security Notice USN-753-1

7th April, 2009

postgresql-8.1, postgresql-8.3 vulnerability

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

  • Ubuntu 8.10
  • Ubuntu 8.04 LTS
  • Ubuntu 6.06 LTS

Software description

  • postgresql-8.1
  • postgresql-8.3


It was discovered that PostgreSQL did not properly handle encoding
conversion failures. An attacker could exploit this by sending specially
crafted requests to PostgreSQL, leading to a denial of service.

Update instructions

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

Ubuntu 8.10:
postgresql-8.3 8.3.7-0ubuntu8.10.1
Ubuntu 8.04 LTS:
postgresql-8.3 8.3.7-0ubuntu8.04.1
Ubuntu 6.06 LTS:
postgresql-8.1 8.1.17-0ubuntu0.6.06.1

To update your system, please follow these instructions:

This update uses a new upstream release, which includes additional
bug fixes. In general, a standard system upgrade is sufficient to
effect the necessary changes.