Several security issues were fixed in SDL.
It was discovered that SDL incorrectly handled certain images. If a user were tricked into opening a crafted image file, a remote attacker could use this issue to cause SDL to crash, resulting in a denial of service, or possibly execute arbitary code.
15 October 2019
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in SDL.
It was discovered that SDL incorrectly handled certain images. If a user were tricked into opening a crafted image file, a remote attacker could use this issue to cause SDL to crash, resulting in a denial of service, or possibly execute arbitary code.
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.
In general, a standard system update will make all the necessary changes.