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        Security Advisories, Responses and Notices
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Cisco IOS Software Releases 12.0 Special and Early Deployments

Security Advisories, Responses and Notices

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Cisco IOS Software Release 12.0(7)XF
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
Cisco IOS Software Release 12.0(7)XR
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
Cisco IOS Software Release 12.0(7)XV
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
- Cisco Security Notice: Sending 2GB Data in GET Request Causes Buffer Overflow in Cisco IOS Software
  04/Aug/2003
Cisco IOS Software Release 12.0(5)XK
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
Cisco IOS Software Release 12.0(5)XP
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
- Cisco Security Advisory: Cisco IOS Interface Blocked by IPv4 Packets
  22/Jul/2004
- Cisco Security Notice: Sending 2GB Data in GET Request Causes Buffer Overflow in Cisco IOS Software
  04/Aug/2003
Cisco IOS Software Release 12.0(5)XQ
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
Cisco IOS Software Release 12.0(5)XS
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
- Cisco Security Notice: Sending 2GB Data in GET Request Causes Buffer Overflow in Cisco IOS Software
  04/Aug/2003
Cisco IOS Software Release 12.0(5)XU
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
- Cisco Security Notice: Sending 2GB Data in GET Request Causes Buffer Overflow in Cisco IOS Software
  04/Aug/2003
Cisco IOS Software Release 12.0(4)XH
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
- Cisco Security Advisory: Cisco IOS Interface Blocked by IPv4 Packets
  22/Jul/2004
- Cisco Security Notice: Sending 2GB Data in GET Request Causes Buffer Overflow in Cisco IOS Software
  04/Aug/2003
Cisco IOS Software Release 12.0(4)XI
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
Cisco IOS Software Release 12.0(4)XJ
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
Cisco IOS Software Release 12.0(4)XL
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
Cisco IOS Software Release 12.0(4)XM
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
Cisco IOS Software Release 12.0(3)XG
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
- Cisco Security Advisory: Cisco IOS Interface Blocked by IPv4 Packets
  22/Jul/2004
- Cisco Security Notice: Sending 2GB Data in GET Request Causes Buffer Overflow in Cisco IOS Software
  04/Aug/2003
Cisco IOS Software Release 12.0(2)XF
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
Cisco IOS Software Release 12.0(2)XH
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
Cisco IOS Software Release 12.0(1)XA
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
- Cisco Security Advisory: Cisco IOS Interface Blocked by IPv4 Packets
  22/Jul/2004
- Cisco Security Notice: Sending 2GB Data in GET Request Causes Buffer Overflow in Cisco IOS Software
  04/Aug/2003
- Cisco Security Advisory: Scanning for SSH Can Cause a Crash
  26/Jun/2002
Cisco IOS Software Releases 12.0 DA
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
- Cisco Security Advisory: Cisco IOS Interface Blocked by IPv4 Packets
  22/Jul/2004
- Cisco Security Notice: Sending 2GB Data in GET Request Causes Buffer Overflow in Cisco IOS Software
  04/Aug/2003
Cisco IOS Software Releases 12.0 DB
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
- Cisco Security Advisory: Cisco IOS Interface Blocked by IPv4 Packets
  22/Jul/2004
- Cisco Security Notice: Sending 2GB Data in GET Request Causes Buffer Overflow in Cisco IOS Software
  04/Aug/2003
Cisco IOS Software Releases 12.0 DC
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
Cisco IOS Software Releases 12.0 SC
- Cisco Security Response: Making Unidirectional VLAN and PVLAN Jumping Bidirectional
  17/Jun/2008
- Cisco Security Advisory: IOS Heap-based Overflow Vulnerability in System Timers
  04/Nov/2005
- Cisco Security Advisory: Cisco Telnet Denial of Service Vulnerability
  31/Dec/2004
- Cisco Security Advisory: Cisco IOS Interface Blocked by IPv4 Packets
  22/Jul/2004
- Cisco Security Advisory: Cisco IOS Software Processing of SAA Packets
  12/Dec/2003
- Cisco Security Notice: Sending 2GB Data in GET Request Causes Buffer Overflow in Cisco IOS Software
  04/Aug/2003
- Cisco Security Advisory: Crafted ICMP Messages Can Cause Denial of Service
  27/Apr/2005
- Cisco Security Advisory: MS SQL Worm Mitigation Recommendations
  13/Feb/2003