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Cisco has released security updates to address vulnerabilities in multiple products. Exploitation of one of these vulnerabilities could allow a remote attacker to take over an affected system.

Users and administrators are encouraged to review the following Cisco Security Advisories and apply the necessary updates:

• Cisco Email Security Appliance Internal Testing Interface Vulnerability(link is external)
• Cisco IOS and IOS XE Software Smart Install Memory Leak Vulnerability(link is external)
• Cisco IOS and IOS XE Software Multicast Routing Denial of Service Vulnerabilities(link is external)
• Cisco IOS and IOS XE Software IP Detail Record Denial of Service Vulnerability(link is external)
• Cisco IOS and IOS XE Software Internet Key Exchange Version 1 Fragmentation Denial of Service Vulnerability(link is external)
• Cisco IOS and IOS XE Software H.323 Message Validation Denial of Service Vulnerability(link is external)
• Cisco IOS XE Software IP Fragment Reassembly Denial of Service Vulnerability(link is external)
• Cisco Firepower Management Center SQL Injection Vulnerability(link is external)
• Cisco Firepower Management Center Privilege Escalation Vulnerability(link is external)
• Cisco IOS XE Software NAT Denial of Service Vulnerability(link is external)
• Cisco IOS and IOS XE Software DNS Forwarder Denial of Service Vulnerability(link is external)
• Cisco IOS Software Common Industrial Protocol Request Denial of Service Vulnerability(link is external)
• Cisco IOS and IOS XE Software AAA Login Denial of Service Vulnerability