The remote host is missing updates announced in advisory RHSA-2007:1029.
Xpdf is an X Window System-based viewer for Portable Document Format (PDF) files.
Alin Rad Pop discovered several flaws in the handling of PDF files. An attacker could create a malicious PDF file that would cause Xpdf to crash, or potentially execute arbitrary code when opened. (CVE-2007-4352, CVE-2007-5392, CVE-2007-5393)
Users are advised to upgrade to these updated packages, which contain backported patches to resolve these issues.
Solution: Please note that this update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date