CVE-2018-20551
A reachable Object::getString assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to construction of invalid rich media annotation assets in the AnnotRichMedia class in Annot.c.
Date published : 2018-12-27
https://gitlab.freedesktop.org/poppler/poppler/issues/703
https://gitlab.freedesktop.org/poppler/poppler/merge_requests/146