[c-nsp] Cisco Security Advisory: Cisco IOS XR Software Memory Exhaustion Vulnerability

[Cisco Systems Product Security Incident Response Team]

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Cisco Security Advisory: Cisco IOS XR Software Memory Exhaustion Vulnerability

Advisory ID: cisco-sa-20131002-iosxr

Revision 1.0

For Public Release 2013 October 2 16:00  UTC (GMT)

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Summary
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Cisco IOS XR Software version 4.3.1 contains a vulnerability that could result in complete packet memory exhaustion.  Successful exploitation could render critical services on the affected device unable to allocate packets resulting in a denial of service (DoS) condition.

Cisco has released free software updates that address this vulnerability.

Workarounds that mitigate this vulnerability are available.

This advisory is available at the following link:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131002-iosxr

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