Source: freetype
Version: 2.5.2-3
Severity: important

Hi,

After some minor changes in a forum of a lug, I found that I could no longer 
read it in Debian (neither with chromium, nor firefox, neither in jessie nor 
in sid), while the text was readable in Ubuntu, Arch and other distros (used 
among the other lug members).  The forum changed to a different font so the 
page is readable in Debian again, but the issue is reproducible with: 
https://fonts.google.com/specimen/Fira+Sans which is showing the character 
list blank and the only preview that seems to work is the Light Italic one, 
compare this to https://fonts.google.com/specimen/Source+Sans+Pro which shows 
the full output.

Using the chromium inspect object, I manage to obtain the corresponding woff2 
url: 
https://fonts.gstatic.com/s/firasans/v6/EjsrzDkQUQCDwsBtLpcVQVtXRa8TVwTICgirnJhmVJw.woff2

Using: https://github.com/google/woff2 I converted the woff2 font to ttf and 
the decompressed ttf showed the same behaviour (It can't be rendered in Debian, 
but it renders fine in Ubuntu).

Using fontforge the font can be edited with no problems in any distro.

For convenience I've left the decompressed ttf file in: 
 http://freak.gnuservers.com.ar/~maxy/debian/fira.ttf

I'm not completely sure if the problem is really a bug in freetype or in some 
other library. Please reassign as you see fit.

Happy hacking,
-- System Information:
Debian Release: stretch/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'testing-debug'), (500, 
'buildd-unstable'), (500, 'testing'), (500, 'stable'), (50, 'unstable'), (1, 
'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386, armhf

Kernel: Linux 4.7.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Init: systemd (via /run/systemd/system)

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