CVE-2009-5039

Name of the Vulnerable Software and Affected Versions Cisco IOS versions prior to 15.0(1)XA

Description A memory leak in the H.323 implementation allows remote attackers to cause a denial of service due to memory consumption via a large number of calls over a long duration.

Recommendations For versions prior to 15.0(1)XA, update to version 15.0(1)XA or later to resolve the issue. As a temporary workaround, consider restricting the number of calls to minimize the risk of exploitation.