Release Notes

19
Release Notes for Cisco PDSN Release 5.2 in IOS Release 12.4(22)XR7
OL-23372-01
Caveats
The “Open Caveats” section lists open caveats that apply to the current release; they may also apply to
previous releases.
The “Resolved Caveats” section lists caveats resolved in a particular release that may have been open in
previous releases.
The “Product Documentation” section describes the product documentation that is available.
Note If you have an account with Cisco.com, you can use Bug Navigator II to find caveats of any severity for
any release. You can access Bug Navigator II on Cisco.com at Software Center: Cisco IOS Software:
Cisco Bug Toolkit: Cisco Bugtool Navigator II, or at http://www.cisco.com/support/bugtools.
Open Caveats
The following are the unresolved caveats in Cisco IOS Release 12.4(22)XR7 and earlier releases.
Unresolved Caveats in Cisco IOS Release 12.4(22)XR7
• CSCtc73759
The H.323 implementation in Cisco IOS Software contains two vulnerabilities that may be exploited
remotely to cause a denial of service (DoS) condition on a device that is running a vulnerable version
of Cisco IOS Software.
Cisco has released free software updates that address these vulnerabilities. There are no
workarounds to mitigate these vulnerabilities other than disabling H.323 on the vulnerable device.
This advisory is posted at http://www.cisco.com/warp/public/707/cisco-sa-20100922-h323.shtml.
Note: The September 22, 2010, Cisco IOS Software Security Advisory bundled publication includes
six Cisco Security Advisories. Five of the advisories address vulnerabilities in Cisco IOS Software,
and one advisory addresses vulnerabilities in Cisco Unified Communications Manager. Each
advisory lists the releases that correct the vulnerability or vulnerabilities detailed in the advisory.
The table at the following URL lists releases that correct all Cisco IOS Software vulnerabilities that
have been published on September 22, 2010, or earlier:
http://www.cisco.com/warp/public/707/cisco-sa-20100922-bundle.shtml
Individual publication links are in “Cisco Event Response: Semiannual Cisco IOS Software Security
Advisory Bundled Publication” at the following link:
http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep10.html
• CSCtd33567
The H.323 implementation in Cisco IOS Software contains two vulnerabilities that may be exploited
remotely to cause a denial of service (DoS) condition on a device that is running a vulnerable version
of Cisco IOS Software.
Cisco has released free software updates that address these vulnerabilities. There are no
workarounds to mitigate these vulnerabilities other than disabling H.323 on the vulnerable device.
This advisory is posted at http://www.cisco.com/warp/public/707/cisco-sa-20100922-h323.shtml.
Note: The September 22, 2010, Cisco IOS Software Security Advisory bundled publication includes
six Cisco Security Advisories. Five of the advisories address vulnerabilities in Cisco IOS Software,
and one advisory addresses vulnerabilities in Cisco Unified Communications Manager. Each