CVE-2017-11625 on Ubuntu 14.04 LTS (trusty) - negligible.
Description:
A stack-consumption vulnerability was found in libqpdf in QPDF 6.0.0, which allows attackers to cause a denial of service via a crafted file, related to the QPDF::resolveObjectsInStream function in QPDF.cc, aka an "infinite loop."