USN-6225-1: Knot Resolver vulnerability
It was discovered that Knot Resolver did not correctly handle certain client options. A remote attacker could send requests to malicous domains and cause a denial of service.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this security advisory?
The vulnerability ID for this security advisory is USN-6225-1.
What is the severity of the vulnerability mentioned in this security advisory?
The severity of the vulnerability mentioned in this security advisory is not specified.
Which software is affected by this vulnerability?
The affected software is Knot Resolver.
How does this vulnerability impact the affected software?
This vulnerability allows a remote attacker to send requests to malicious domains and cause a denial of service.
How can I fix this vulnerability?
To fix this vulnerability, you should update Knot Resolver to version 5.5.1-5ubuntu0.22.10.1 (for Ubuntu 22.10), 5.4.4-1ubuntu0.1~esm1 (for Ubuntu 22.04), 3.2.1-3ubuntu2.1 (for Ubuntu 20.04), 2.1.1-1ubuntu0.1~esm2 (for Ubuntu 18.04), or 1.0.0~beta3-1ubuntu0.1~esm1 (for Ubuntu 16.04).