Artifex MuPDF 1.15.0 has a heap-based buffer overflow in fz_append_display_node located at fitz/list-device.c, allowing remote attackers to execute arbitrary code via a crafted PDF file. This occurs with a large BDC property name that overflows the allocated size of a display list node.
https://www.debian.org/security/2020/dsa-4753
https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html
https://bugs.ghostscript.com/show_bug.cgi?id=701118
http://git.ghostscript.com/?p=mupdf.git%3Bh=ed19bc806809ad10c4ddce515d375581b86ede85
http://git.ghostscript.com/?p=mupdf.git%3Bh=aaf794439e40a2ef544f15b50c20e657414dec7a