Cisco Releases Security Updates

["US-CERT" <US-CERT () ncas us-cert gov>]

U.S. Department of Homeland Security US-CERT

National Cyber Awareness System:



Cisco Releases Security Updates [ 
https://www.us-cert.gov/ncas/current-activity/2018/01/31/Cisco-Releases-Security-Updates ] 01/31/2018 01:52 PM EST 
Original release date: January 31, 2018

Cisco has released software updates to address a vulnerability in its IOS XR Software Release 5.3.4 for the Cisco 
Aggregation Services Router (ASR) 9000 Series. A remote attacker could exploit this vulnerability to cause a 
denial-of-service condition.

NCCIC/US-CERT encourages users and administrators to review the Cisco Security Advisory [ 
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180131-ipv6 ] and apply the necessary 
updates.

________________________________________________________________________

This product is provided subject to this Notification [ http://www.us-cert.gov/privacy/notification ] and this Privacy 
& Use [ http://www.us-cert.gov/privacy/ ] policy.

________________________________________________________________________

A copy of this publication is available at www.us-cert.gov [ https://www.us-cert.gov ]. If you need help or have 
questions, please send an email to info () us-cert gov. Do not reply to this message since this email was sent from a 
notification-only address that is not monitored. To ensure you receive future US-CERT products, please add US-CERT () 
ncas us-cert gov to your address book. 

OTHER RESOURCES: Contact Us [ http://www.us-cert.gov/contact-us/ ] | Security Publications [ 
http://www.us-cert.gov/security-publications ] | Alerts and Tips [ http://www.us-cert.gov/ncas ] | Related Resources [ 
http://www.us-cert.gov/related-resources ]  

STAY CONNECTED: Sign up for email updates [ http://public.govdelivery.com/accounts/USDHSUSCERT/subscriber/new ]