GNOME Keyring could be made to expose sensitive information.
It was discovered that GNOME Keyring incorrectly cleared out credentials supplied to the PAM module. A local attacker could possibly use this issue to discover login credentials.
26 February 2019
A security issue affects these releases of Ubuntu and its derivatives:
GNOME Keyring could be made to expose sensitive information.
It was discovered that GNOME Keyring incorrectly cleared out credentials supplied to the PAM module. A local attacker could possibly use this issue to discover login credentials.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart your session to make all the necessary changes.
Vulmon