Net-SNMP could be made to crash if it received specially crafted network traffic.
It was discovered that Net-SNMP incorrectly performed entry lookups in the extension table. A remote attacker could send a specially crafted request and cause the SNMP server to crash, leading to a denial of service.
23 May 2012
A security issue affects these releases of Ubuntu and its derivatives:
Net-SNMP could be made to crash if it received specially crafted network traffic.
It was discovered that Net-SNMP incorrectly performed entry lookups in the extension table. A remote attacker could send a specially crafted request and cause the SNMP server to crash, leading to a denial of service.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.