An issue was discovered in cairo 1.16.0. There is an assertion problem in the function _cairo_arc_in_direction in the file cairo-arc.c.
Created cairo tracking bugs for this issue:
Affects: fedora-all [bug 1669630]
Created mingw-cairo tracking bugs for this issue:
Affects: epel-7 [bug 1669632]
Affects: fedora-all [bug 1669631]
Confirmed present in cairo < 1.16.0, here specifically checking v1.15.12 used in the OCP mediawiki container
This issue affects the versions of cairo as shipped with Red Hat Enterprise Linux 7.
This issue did not affect the versions of cairo as shipped with Red Hat Enterprise Linux 5 and 6.