USN-872-1: KDE 4 Runtime vulnerabilities

Ubuntu Security Notice USN-872-1

10th December, 2009

kdebase-runtime vulnerabilities

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

  • Ubuntu 9.10
  • Ubuntu 9.04
  • Ubuntu 8.10

Software description

  • kdebase-runtime


It was discovered that the KIO subsystem of KDE did not properly perform
input validation when processing help:// URIs. If a user or KIO application
processed a crafted help:// URI, an attacker could trigger JavaScript
execution or access files via directory traversal.

Update instructions

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

Ubuntu 9.10:
kdebase-runtime 4:4.3.2-0ubuntu4.1
Ubuntu 9.04:
kdebase-runtime 4:4.2.2-0ubuntu1.1
Ubuntu 8.10:
kdebase-runtime 4:4.1.4-0ubuntu1~intrepid1.2

To update your system, please follow these instructions:

After a standard system upgrade you need to restart your session to effect
the necessary changes.


LP: 495301