March 25, 2009, 7:48PM

Security updates for Cisco's Internetwork Operating System (IOS) were released Wednesday [scmagazine.com] to shield against a number of vulnerabilities.

The security issues [cisco.com] are varied and relate to TCP, UDP, mobile and VPN vulnerabilities. In describing one bug, an advisory warned about a problem that could block traffic to a router or even cause it to crash.