Several security issues were fixed in Tex Live.
USN-3788-1 fixed vulnerabilities in Tex Live. This update provides the corresponding update for Ubuntu 18.10
23 October 2018
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Tex Live.
USN-3788-1 fixed vulnerabilities in Tex Live. This update provides the corresponding update for Ubuntu 18.10
Original advisory details:
It was discovered that Tex Live incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code. (CVE-2018-17407)
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.