(RHSA-2005:034) xpdf security update

Xpdf is an X Window System based viewer for Portable Document Format (PDF)
files.

A buffer overflow flaw was found in the Gfx::doImage function of Xpdf. An
attacker could construct a carefully crafted PDF file that could cause Xpdf
to crash or possibly execute arbitrary code when opened. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
CAN-2004-1125 to this issue.

A buffer overflow flaw was found in the Decrypt::makeFileKey2 function of
Xpdf. An attacker could construct a carefully crafted PDF file that could
cause Xpdf to crash or possibly execute arbitrary code when opened. The
Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned
the name CAN-2005-0064 to this issue.

During a source code audit, Chris Evans and others discovered a number of
integer overflow bugs that affected all versions of Xpdf. An attacker could
construct a carefully crafted PDF file that could cause Xpdf to crash or
possibly execute arbitrary code when opened. This issue was assigned the
name CAN-2004-0888 by The Common Vulnerabilities and Exposures project
(cve.mitre.org). Red Hat Enterprise Linux 4 contained a fix for this
issue, but it was found to be incomplete and left 64-bit architectures
vulnerable. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CAN-2005-0206 to this issue.

All users of Xpdf should upgrade to this updated package, which contains
backported patches to resolve these issues.