USN-3574-1: Bind vulnerability Ubuntu Security Notice USN-3574-1 19th February, 2018 bind9 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary Bind could be made to crash if it received specially crafted network traffic. Software description bind9 – Internet Domain Name Server Details It was discovered that Bind incorrectly handled DNSSECvalidation. An attacker could possibly use this to cause a denialof service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 12.04 LTS: bind9 1:9.8.1.dfsg.P1-4ubuntu0.25 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. References CVE-2018-5735 Source: USN-3574-1: Bind vulnerability