Several security issues were fixed in poppler.
It was discovered that poppler incorrectly handled certain files. If a user or automated system were tricked into opening a crafted PDF file, an attacker could execute arbitrary. (CVE-2017-1000456)
8 January 2018
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in poppler.
It was discovered that poppler incorrectly handled certain files. If a user or automated system were tricked into opening a crafted PDF file, an attacker could execute arbitrary. (CVE-2017-1000456)
It was discovered that poppler incorrectly handled certain files. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2017-14976)
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