USN-5732-1: Unbound vulnerability
17 November 2022
Unbound could be made to stop responding if it received specially crafted network traffic.
- unbound - validating, recursive, caching DNS resolver
It was discovered that Unbound incorrectly handled delegations with a large
number of non-responsive nameservers. A remote attacker could possibly use
this issue to cause Unbound to consume resources, leading to a denial of
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.