This update for unbound fixes the following issues: - CVE-2020-12662: Fixed an issue where unbound could have been tricked into amplifying an incoming query into a large number of queries directed to a target . - CVE-2020-12663: Fixed an issue where malformed answers from upstream name servers could have been used to make unbound unresponsive . - CVE-2019-18934: Fixed a vulnerability in the IPSec module which could have allowed code execution after receiving a special crafted answer .