This bug was fixed in the package gtk+2.0 - 2.24.31-1ubuntu1.1
--------------- gtk+2.0 (2.24.31-1ubuntu1.1) zesty; urgency=medium
* Add debian/patches/lp1641912-add-limit-to-list-size.patch, which fixes a DOS allowing any application to cause all GTK applications to use an arbitrary amount of memory (LP: #1641912).
-- Simon Quigley <email address hidden> Thu, 20 Jul 2017 16:52:59 -0500
This bug was fixed in the package gtk+2.0 - 2.24.31-1ubuntu1.1
--------------- 1ubuntu1. 1) zesty; urgency=medium
gtk+2.0 (2.24.31-
* Add debian/ patches/ lp1641912- add-limit- to-list- size.patch, which fixes a
DOS allowing any application to cause all GTK applications to use an
arbitrary amount of memory (LP: #1641912).
-- Simon Quigley <email address hidden> Thu, 20 Jul 2017 16:52:59 -0500