Total vulnerabilities in the database
The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote attackers to cause a denial of service by sending a VTP update with a revision value of 0x7FFFFFFF, which is incremented to 0x80000000 and is interpreted as a negative number in a signed context.
| Software | From | Fixed in |
|---|---|---|
| cisco / ios | 12.1(19) | 12.1(19).x |
| cisco / catos | - | - |