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Cisco IOS Malformed PPTP Packet Denial of Service Vulnerability

Solution:
Vendor-supplied updates that rectify this issue are available:


Cisco IOS 12.1YC

• Cisco IOS 12.1(5)YC1
  


• Cisco IOS 12.2(1.1)
  

Cisco IOS 12.1E

• Cisco IOS 12.1(8a)E
  

Cisco IOS 12.1EZ

• Cisco IOS 12.1(6)EZ2
  

Cisco IOS 12.1T

• Cisco IOS 12.2(3)
  

Cisco IOS 12.2

• Cisco IOS 12.2(1.1)
  


• Cisco IOS 12.2(3)
  

Cisco IOS 12.2XQ

• Cisco IOS 12.2(1)XQ
  

Cisco IOS 12.2XH

• Cisco IOS 12.2(1)XH
  

Cisco IOS 12.2XD

• Cisco IOS 12.2(1)XD1
  

Cisco IOS 12.1YA

• Cisco IOS 12.2(2)XB
  

Cisco IOS 12.2XA

• Cisco IOS 12.2(2)XA
  

Cisco IOS 12.1YD

• Cisco IOS 12.1(5)YD2
  


• Cisco IOS 12.2(1.1)
  

Cisco IOS 12.2XE

• Cisco IOS 12.2(1)XE