Bind could incorrectly enable recursion.
Andrew Skalski discovered that Bind could incorrectly enable recursion when the "allow-recursion" setting wasn’t specified. This issue could improperly permit recursion to all clients, contrary to expectations.
13 June 2018
A security issue affects these releases of Ubuntu and its derivatives:
Bind could incorrectly enable recursion.
Andrew Skalski discovered that Bind could incorrectly enable recursion when the "allow-recursion" setting wasn’t specified. This issue could improperly permit recursion to all clients, contrary to expectations.
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.
Vulmon