Ubuntu 5034-1: c-ares vulnerability
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04: libc-ares2 1.17.1-1ubuntu0.1 Ubuntu 20.04 LTS: libc-ares2 1.15.0-1ubuntu0.1 Ubuntu 18.04 LTS: libc-ares2 1.14.0-1ubuntu0.1 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-5034-1
CVE-2021-3672
Package Information
https://launchpad.net/ubuntu/+source/c-ares/1.17.1-1ubuntu0.1 https://launchpad.net/ubuntu/+source/c-ares/1.15.0-1ubuntu0.1 https://launchpad.net/ubuntu/+source/c-ares/1.14.0-1ubuntu0.1