1. Ubuntu Security Notices
  2. USN-979-1

USN-979-1: okular vulnerability

Publication date

27 August 2010

Overview

A heap-based buffer overflow in okular.

Releases

Packages

  • kdegraphics - graphics applications from the official KDE 4 release

Details

Stefan Cornelius of Secunia Research discovered a boundary error during
RLE decompression in the “TranscribePalmImageToJPEG()” function in
generators/plucker/inplug/image.cpp of okular when processing images
embedded in PDB files, which can be exploited to cause a heap-based
buffer overflow. (CVE-2010-2575)

Stefan Cornelius of Secunia Research discovered a boundary error during
RLE decompression in the “TranscribePalmImageToJPEG()” function in
generators/plucker/inplug/image.cpp of okular when processing images
embedded in PDB files, which can be exploited to cause a heap-based
buffer overflow. (CVE-2010-2575)

Update instructions

After a standard system update you need to restart any running instances of okular to make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
9.10 karmic okular –  4:4.3.2-0ubuntu1.1
9.04 jaunty okular –  4:4.2.2-0ubuntu2.1
10.04 lucid okular –  4:4.4.2-0ubuntu1.1

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References

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