========================================================================== Ubuntu Security Notice USN-5189-1 December 13, 2021
A security issue was fixed in GLib ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS - Ubuntu 16.04 ESM - Ubuntu 14.04 ESM Summary: GLib could be used to escalate privilege if it received specially crafted input. Software Description: - glib2.0: GLib library of C routines Details:It was discovered that GLib incorrectly handled certain environment variables.
An attacker could possibly use this issue to escalate privileges. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: libglib2.0-0 2.56.4-0ubuntu0.18.04.9 libglib2.0-bin 2.56.4-0ubuntu0.18.04.9 libglib2.0-data 2.56.4-0ubuntu0.18.04.9 libglib2.0-dev 2.56.4-0ubuntu0.18.04.9 Ubuntu 16.04 ESM: libglib2.0-0 2.48.2-0ubuntu4.8+esm1 libglib2.0-bin 2.48.2-0ubuntu4.8+esm1 libglib2.0-data 2.48.2-0ubuntu4.8+esm1 libglib2.0-dev 2.48.2-0ubuntu4.8+esm1 Ubuntu 14.04 ESM: libglib2.0-0 2.40.2-0ubuntu1.1+esm4 libglib2.0-bin 2.40.2-0ubuntu1.1+esm4 libglib2.0-data 2.40.2-0ubuntu1.1+esm4 libglib2.0-dev 2.40.2-0ubuntu1.1+esm4 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5189-1 CVE-2021-3800 Package Information: https://launchpad.net/ubuntu/+source/glib2.0/2.56.4-0ubuntu0.18.04.9
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