USN-933-1: PostgreSQL vulnerability

Ubuntu Security Notice USN-933-1

28th April, 2010

postgresql-8.1, postgresql-8.3, postgresql-8.4 vulnerability

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

  • Ubuntu 9.10
  • Ubuntu 9.04
  • Ubuntu 8.04 LTS
  • Ubuntu 6.06 LTS

Software description

  • postgresql-8.1
  • postgresql-8.3
  • postgresql-8.4


It was discovered that PostgreSQL did not properly sanitize its input when
using substring() with a SELECT statement. A remote authenticated attacker
could exploit this to cause a denial of service via application crash.

Update instructions

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

Ubuntu 9.10:
postgresql-8.4 8.4.3-0ubuntu9.10.1
Ubuntu 9.04:
postgresql-8.3 8.3.10-0ubuntu9.04.1
Ubuntu 8.04 LTS:
postgresql-8.3 8.3.10-0ubuntu8.04.1
Ubuntu 6.06 LTS:
postgresql-8.1 8.1.20-0ubuntu0.6.06.1

To update your system, please follow these instructions:

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