REDHAT-BUG-495892: High severity xpdf vulnerability

Published Apr 15, 2009

Updated

An invalid free() flaw was found in xpdf's JBIG2 decoder. If a malicious PDF file could free() attacker controlled data, it may be possible to execute arbitrary code with the permissions of the user running xpdf.

Will Dormann of the CERT/CC created the extensive testsuite for the JBIG2 decoder in various PDF libraries that found this flaw.

Acknowledgements:

Red Hat would like to thank Will Dormann of the CERT/CC for responsibly reporting this flaw.

Affected Software

1 affected component

xpdf Xpdf

Event History

Apr 15, 2009

Data Sourced

via Red Hat·01:40 PM

DescriptionSeverityAffected Software

Frequently Asked Questions

What is the severity of REDHAT-BUG-495892?

The severity of REDHAT-BUG-495892 is high due to the potential for arbitrary code execution.

How do I fix REDHAT-BUG-495892?

To fix REDHAT-BUG-495892, update xpdf to the latest version that addresses the JBIG2 decoder flaw.

What are the potential impacts of REDHAT-BUG-495892?

The potential impacts of REDHAT-BUG-495892 include system compromise and unauthorized access to sensitive information.

Which versions of xpdf are affected by REDHAT-BUG-495892?

xpdf versions prior to the latest patched release may be affected by REDHAT-BUG-495892.

Who reported the vulnerability REDHAT-BUG-495892?

Will Dormann of CERT/CC reported the vulnerability REDHAT-BUG-495892.