Five recent advisories by Secunia are noted below. Please patch once updates become available.
CUPS Multiple Integer Overflow Vulnerabilities
Successful exploitation may potentially allow execution of arbitrary code with the privileges of the print spooler, when a specially crafted PDF document is printed.
Xpdf Multiple Integer Overflow Vulnerabilities
The vulnerabilities are caused due to some unspecified integer overflow errors, which potentially can be exploited to execute arbitrary code when a specially crafted PDF document is viewed.
Linux Kernel Multiple Vulnerabilities
Multiple vulnerabilities have been reported in the Linux kernel, which can be exploited to disclose kernel data, cause a DoS (Denial of Service), or bypass certain security restrictions.
Linux Kernel Terminal Subsystem Race Condition Vulnerabilities
Two vulnerabilities have been reported in the Linux kernel, which can be exploited to potentially disclose kernel data or cause a DoS (Denial of Service).
LinuxStat "template" Directory Traversal Vulnerability
A vulnerability has been reported in LinuxStat, which can be exploited by malicious people to disclose sensitive information.