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Cisco IOS and IOS XE Software IPv6 First Hop Security Denial of Service Vulnerabilities

Advisory ID: cisco-sa-20150923-fhs

Revision 1.0

For Public Release 2015 September 23 16:00  UTC (GMT)
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Summary
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Two vulnerabilities in the IPv6 first hop security feature of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload.

Cisco has released software updates that address these vulnerabilities. 
There are no workarounds to mitigate these vulnerabilities.

This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150923-fhs

Note: The September 23, 2015, release of the Cisco IOS and IOS XE Software Security Advisory bundled publication includes three Cisco Security Advisories. All the advisories address vulnerabilities in Cisco IOS Software and Cisco IOS XE Software. Individual publication links are in Cisco Event Response: September 2015 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication at the following link:
http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep15.html

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