This bug was fixed in the package ghostscript - 9.26~dfsg+0-0ubuntu3
--------------- ghostscript (9.26~dfsg+0-0ubuntu3) disco; urgency=low
* Backported upstream patch to prevent crashes when calling Ghostscript with a PDF file and "-dLastPage=1" (LP: #1806517, upstream bug #700315).
-- Till Kamppeter <email address hidden> Wed, 5 Dec 2018 16:47:06 +0100
This bug was fixed in the package ghostscript - 9.26~dfsg+ 0-0ubuntu3
--------------- 0-0ubuntu3) disco; urgency=low
ghostscript (9.26~dfsg+
* Backported upstream patch to prevent crashes when calling Ghostscript
with a PDF file and "-dLastPage=1" (LP: #1806517, upstream bug #700315).
-- Till Kamppeter <email address hidden> Wed, 5 Dec 2018 16:47:06 +0100