Expat could be made to consume a high amount of RAM and CPU resources if it received a specially crafted XML file.
USN-4040-1 fixed a vulnerability in expat. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
26 June 2019
A security issue affects these releases of Ubuntu and its derivatives:
Expat could be made to consume a high amount of RAM and CPU resources if it received a specially crafted XML file.
USN-4040-1 fixed a vulnerability in expat. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Expat incorrectly handled certain XML files. An attacker could possibly use this issue to cause a denial of service.
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.
Vulmon