[Bug 450774] CVE-2008-1808 FreeType off-by-one flaws

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Summary: CVE-2008-1808 FreeType off-by-one flaws
Alias: CVE-2008-1808

https://bugzilla.redhat.com/show_bug.cgi?id=450774





------- Additional Comments From thoger at redhat.com  2008-06-17 06:01 EST -------
The TTF issue affects TTF virtual machine byte code interpreter (BCI).  This
interpreter is disabled by default on freetype 2.x (libtruetype) due to a patent
issues as described on the upstream web page:

  http://www.freetype.org/patents.html

All Red Hat Enterprise Linux and Fedora freetype 2.x versions have BCI disabled
and are not affected by the TTF part of CVE-2008-1808.  Only custom rebuilds
with BCI enabled may possibly be affected.

Freetype 1.x (libttf) does enable BCI by default, but is explicitly disabled in
freetype packages on Red Hat Enterprise Linux 3 and 4 and in freetype1 packages
in all Fedora versions (via freetype-1.4-disable-ft1-bci.patch).

Red Hat Enterprise Linux 5 does not ship freetype 1.x library.  Freetype 1.x on
Red Hat Enterprise Linux 2.1 is built with BCI enabled.


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