Ubuntu 5355-1: zlib vulnerability
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: lib32z1 1:1.2.11.dfsg-2ubuntu7.1 lib64z1 1:1.2.11.dfsg-2ubuntu7.1 libx32z1 1:1.2.11.dfsg-2ubuntu7.1 zlib1g 1:1.2.11.dfsg-2ubuntu7.1 Ubuntu 20.04 LTS: lib32z1 1:1.2.11.dfsg-2ubuntu1.3 lib64z1 1:1.2.11.dfsg-2ubuntu1.3 libx32z1 1:1.2.11.dfsg-2ubuntu1.3 zlib1g 1:1.2.11.dfsg-2ubuntu1.3 Ubuntu 18.04 LTS: lib32z1 1:1.2.11.dfsg-0ubuntu2.1 lib64z1 1:1.2.11.dfsg-0ubuntu2.1 libx32z1 1:1.2.11.dfsg-0ubuntu2.1 zlib1g 1:1.2.11.dfsg-0ubuntu2.1 After a standard system update you need to reboot your computer to make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-5355-1
CVE-2018-25032
Package Information
https://launchpad.net/ubuntu/+source/zlib/1:1.2.11.dfsg-2ubuntu7.1 https://launchpad.net/ubuntu/+source/zlib/1:1.2.11.dfsg-2ubuntu1.3 https://launchpad.net/ubuntu/+source/zlib/1:1.2.11.dfsg-0ubuntu2.1