========================================================================== Ubuntu Security Notice USN-4986-1 June 09, 2021 rpcbind vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS Summary: rpcbind could be made to consume resources and crash if it received specially crafted network traffic. Software Description: - rpcbind: converts RPC program numbers into universal addresses Details: It was discovered that rpcbind incorrectly handled certain large data sizes. A remote attacker could use this issue to cause rpcbind to consume resources, leading to a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: rpcbind 0.2.3-0.6ubuntu0.18.04.2 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4986-1 CVE-2017-8779 Package Information: https://launchpad.net/ubuntu/+source/rpcbind/0.2.3-0.6ubuntu0.18.04.2