Related to the security issue, I don't know if the attached font is
segfaulting for the same reason, but I had a session ending segfault
when running fc-cache -fv. I went through the ~3000 custom fonts I have,
and this is the only one I could find that segfaults. Though oddly, the
segfault only killed my gnome-session the first time.

I don't know if it's a fontconfig issue or a gnome issue, but with the
font in a font load path other gnome issues occur as well: If gnome is
locked, the unlock dialog won't appear. If no session exists and you try
to login, the login seems to succeed, but the desktop never loads.
Removing the font resolves these issues.

Running fontconfig version 2.11.0 on Trusty.

** Attachment added: "Font that causes a segfault when running fc-cache -fv"
   
https://bugs.launchpad.net/ubuntu/+source/fontconfig/+bug/342717/+attachment/3934285/+files/ahronbd.ttf

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https://bugs.launchpad.net/bugs/342717

Title:
  fc-cache segfaults when scanning an italic BDF font with empty
  SETWIDTH_NAME

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