========================================================================== Ubuntu Security Notice USN-4610-1 October 29, 2020 fastd vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: fastd could be made to remotely exhaust resources if it received specially crafted packets. Software Description: - fastd: Fast and Secure Tunneling Daemon Details: It was discovered that fastd did not properly handle receive buffers under certain circumstances. A remote attacker could possibly use this issue to cause a memory leak, resulting in a denial of service. (CVE-2020-27638) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: fastd 18-3ubuntu0.1 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4610-1 CVE-2020-27638 Package Information: https://launchpad.net/ubuntu/+source/fastd/18-3ubuntu0.1