CVE-2009-2051

Summary: CVE-2009-2051 affects Cisco IOS (12.2–12.4, 15.0–15.1), Cisco IOS XE 2.5.x–2.6.x before 2.6.1, and CUCM 4.x–7.x, enabling remote attackers to trigger a DoS (device reload/voice-services outage) via a malformed SIP INVITE that calls sipSafeStrlen and overflows into a crash. The issue is d...