USN-501-1: jasper vulnerability

Ubuntu Security Notice USN-501-1

20th August, 2007

jasper vulnerability

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

  • Ubuntu 7.04
  • Ubuntu 6.10
  • Ubuntu 6.06 LTS


It was discovered that Jasper did not correctly handle corrupted JPEG2000
images. By tricking a user into opening a specially crafted JPG, a
remote attacker could cause the application using libjasper 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 7.04:
libjasper-1.701-1 1.701.0-2ubuntu0.7.04
Ubuntu 6.10:
libjasper-1.701-1 1.701.0-2ubuntu0.6.10
Ubuntu 6.06 LTS:
libjasper-1.701-1 1.701.0-2ubuntu0.6.06

To update your system, please follow these instructions:

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