[Webkit-unassigned] [Bug 31106] Sanitize web fonts using the OTS library

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=31106


John Daggett <jdaggett at mozilla.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bdakin at apple.com




--- Comment #41 from John Daggett <jdaggett at mozilla.com>  2009-11-09 18:35:37 PDT ---
(In reply to comment #40)
> Yes, the OTS library currently does not support GPOS/GSUB/morx tables. However,
> "does not support" means that OTS does not parse these tables, does not put
> them on a reconstructed font. As a result, attackers are not able to abuse
> these tables.

This means that fonts for any language that requires shaping (Arabic, Hindi,
etc.) will effectively be neutered by the sanitize process.  Also looks like
this effectively disables kerning, a recently added feature:

https://bugs.webkit.org/show_bug.cgi?id=6136

-- 
Configure bugmail: https://bugs.webkit.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.