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Date:      Mon, 11 Mar 2002 16:20:23 -0500
From:      Peter Radcliffe <pir@pir.net>
To:        freebsd-security@freebsd.org
Subject:   Re: zlib overflow problem?
Message-ID:  <20020311212023.GF20422@pir.net>
In-Reply-To: <20020311131442.D77202@rain.macguire.net>
References:  <00d601c1c941$56be3dd0$3028680a@tgt.com> <20020311131442.D77202@rain.macguire.net>

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Benjamin Krueger <benjamin@macguire.net> probably said:
> * Thomas T. Veldhouse (veldy@veldy.net) [020311 13:10]:
> > Does the new zlib overflow bug affect FreeBSD as well?
> > Reference http://news.com.com/2100-1001-857008.html

Full details at;
  http://www.gzip.org/zlib/advisory-2002-03-11.txt

> The above problem is believed to originate in the glibc library. 
> FreeBSD does not use glibc, and thus should not be affected. 
> Don't Panic. =)

The BSD free() implementation warns, but doesn't break, on free()ing a
page that is already free so native things should be ok.

However, linux binaries in the ports system and zlib/glibc in
linux_base may well be affected to a greater or lesser degree.

P.

-- 
pir                pir-sig@pir.net                 pir-sig@net.tufts.edu


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