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USN-190-1: SNMP vulnerability

30 September 2005

SNMP vulnerability



A remote Denial of Service has been discovered in the SMNP (Simple
Network Management Protocol) library. If a SNMP agent uses TCP sockets
for communication, a malicious SNMP server could exploit this to crash
the agent. Please note that by default SNMP uses UDP sockets.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 5.04
  • snmpd -
  • libsnmp5 -
Ubuntu 4.10
  • snmpd -
  • libsnmp5 -

In general, a standard system update will make all the necessary changes.


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