Security Notice Number: - USN-4263-1 Vulnerability: - Sudo (CVE-2019-18634) Release date: - February 3, 2020 Description of the problem: - Joe Vennix discovered that Sudo incorrectly handled memory operations when the pwfeedback option is enabled. A local attacker could possibly use this flaw to obtain unintended access to the administrator account. Software updates - To solve the problem, it is recommended to update the following versions of the Sudo software package: - Ubuntu 19.10 (eoan) - sudo - 1.8.27-1ubuntu4.1 - sudo-ldap - 1.8.27-1ubuntu4.3 - Ubuntu 18.04 LTS (bionic) - sudo - 1.8.21p2-3ubuntu1.2 - sudo-ldap - 1.8.21p2-3ubuntu1.2 - Ubuntu 16.04 LTS (xenial) - sudo - 1.8.16-0ubuntu1.9 - sudo-ldap - 1.8.16-0ubuntu1.9