tcpdump could be made to crash or run programs if it received specially crafted network traffic.
It was discovered that tcpdump incorrectly handled certain packets. A remote attacker could use this issue to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code.
21 February 2017
A security issue affects these releases of Ubuntu and its derivatives:
tcpdump could be made to crash or run programs if it received specially crafted network traffic.
It was discovered that tcpdump incorrectly handled certain packets. A remote attacker could use this issue to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code.
In the default installation, attackers would be isolated by the tcpdump AppArmor profile.
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.
This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.