REDHAT-BUG-495887: Input Validation

Published Apr 15, 2009

Updated

Multiple input validation flaws were discovered in xpdf's JBIG2 decoder. These flaws could lead to arbitrary code execute 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 these flaws.

Affected Software

1 affected component

xpdf Xpdf

Event History

Apr 15, 2009

Data Sourced

01:24 PM

DescriptionSeverityAffected Software

Frequently Asked Questions

What is the severity of REDHAT-BUG-495887?

The severity of REDHAT-BUG-495887 is considered high due to the potential for arbitrary code execution.

How do I fix REDHAT-BUG-495887?

To fix REDHAT-BUG-495887, update to the latest version of xpdf that addresses the input validation flaws.

What versions of xpdf are affected by REDHAT-BUG-495887?

All versions of xpdf prior to the patched versions containing fix for REDHAT-BUG-495887 are affected.

What types of vulnerabilities does REDHAT-BUG-495887 encompass?

REDHAT-BUG-495887 encompasses input validation flaws specifically in xpdf's JBIG2 decoder.

Who discovered REDHAT-BUG-495887?

REDHAT-BUG-495887 was discovered by Will Dormann from the CERT/CC through extensive testing of PDF libraries.