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Message-ID: <20120314152447.GP3308@redhat.com>
Date: Wed, 14 Mar 2012 09:24:47 -0600
From: Vincent Danen <vdanen@...hat.com>
To: oss-security@...ts.openwall.com
Subject: CVE request: pyfribidi buffer overflow flaw
Could a CVE be assigned for this issue please? I don't think it's come
through here yet.
A buffer overflow flaw was reported in pyfribidi's
fribidi_utf8_to_unicode() function, due to it handling at most 3 bytes
for a single unicode character. If a 4-byte utf-8 sequence was
supplied, it would generate 2 unicode characters which would overflow
the logical buffer. This has been fixed in pyfribidi 0.11.
References:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=663189
https://github.com/pediapress/pyfribidi/issues/2
https://github.com/pediapress/pyfribidi/commit/d2860c655357975e7b32d84e6b45e98f0dcecd7a
http://www.securityfocus.com/bid/52451/info
https://bugzilla.redhat.com/show_bug.cgi?id=801896
--
Vincent Danen / Red Hat Security Response Team
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