Quagga could be made to crash if it received specially crafted network traffic.
David Lamparter discovered that Quagga incorrectly handled certain IPv6 router advertisements. A remote attacker could possibly use this issue to cause Quagga to crash, resulting in a denial of service.
25 October 2016
A security issue affects these releases of Ubuntu and its derivatives:
Quagga could be made to crash if it received specially crafted network traffic.
David Lamparter discovered that Quagga incorrectly handled certain IPv6 router advertisements. A remote attacker could possibly use this issue to cause Quagga to crash, resulting in 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.
After a standard system update you need to restart Quagga to make all the necessary changes.
Vulmon