The MITRE CVE dictionary describes this issue as:
There is a NULL pointer dereference in the AnnotPath::getCoordsLength function in Annot.h in an Ubuntu package for Poppler 0.24.5. A crafted input will lead to a remote denial of service attack. Later Ubuntu packages such as for Poppler 0.41.0 are not affected.
Find out more about CVE-2018-10768 from the
MITRE CVE dictionary dictionary and
Red Hat Product Security has rated this issue as having a security impact of Low, and a future update may address this flaw.