In Artifex MuPDF 1.12.0, the pdf_read_new_xref function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation violation and application crash) via a crafted pdf file.
www.securityfocus.com/bid/102822
bugs.ghostscript.com/show_bug.cgi?id=698916
cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=5e411a99604ff6be5db9e273ee84737204113299
lists.debian.org/debian-lts-announce/2019/06/msg00027.html
security.gentoo.org/glsa/201811-15
www.debian.org/security/2018/dsa-4334