The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: libaprutil1 1.5.4-1ubuntu0.1~esm1 Ubuntu 14.04 ESM: libaprutil1 1.5.3-1ubuntu0.1~esm1 After a standard system update you need to restart any applications using APR-util, such as Subversion and Apache, to make all the necessary changes.
https://ubuntu.com/security/notices/USN-5737-1
CVE-2017-12618
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