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Date: Wed, 24 Aug 2011 14:49:44 +0200
From: Tomas Hoger <>
Subject: Re: CVE request: libqt4: two memory issues

On Mon, 22 Aug 2011 10:43:23 +0200 Matthias Weckbecker wrote:

> A) buffer overflow (looks only like an off-by-one from a very quick
> look)

The fix is for 3rdparty/harfbuzz, any reason to prefer calling it Qt,
rather than harfbuzz / pango issue.  The code even seems to be based on
some FreeType code, though it's not obvious if FreeType was affected by
that.  Is that more than over-read?

> B) buffer overflow on greyscale images with multiple samples per pixel

The bug is not public.

Tomas Hoger / Red Hat Security Response Team

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