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Date: Thu, 24 Nov 2011 04:20:15 +0100
From: Hanno Böck <hanno@...eck.de>
To: kseifried@...hat.com
Cc: oss-security@...ts.openwall.com
Subject: Re: CVE request: ffmpeg before 0.7.8 and 0.8.7 2
buffer overflows and out-of-bounds read
Am Wed, 23 Nov 2011 13:52:04 -0700
schrieb Kurt Seifried <kseifried@...hat.com>:
> On 11/23/2011 05:23 AM, Hanno Böck wrote:
> > New ffmpeg releases contain a couple of security fixes:
> > http://secunia.com/advisories/46888/
> >
> > 1) An error within the QDM2 decoder (libavcodec/qdm2.c) can be
> > exploited to cause a buffer overflow.
> >
> > 2) An integer overflow error within the "vp3_dequant()" function
> > (libavcodec/vp3.c) can be exploited to cause a buffer overflow.
> >
> > 3) Errors within the "av_image_fill_pointers()", the
> > "vp5_parse_coeff()", and the "vp6_parse_coeff()" functions can be
> > exploited to trigger out-of-bounds reads.
> >
> >
> > Please assign CVEs.
> >
> >
> > Maybe someone wants to have a look if other issues in those
> > releases are security relevant:
> > http://git.videolan.org/?p=ffmpeg.git&a=shortlog&h=n0.7.8
> >
> This would be the original advisory http://ffmpeg.org/#pr7dot8and8dot7
> correct?
It is the upstream confirmation - at least it's about the same bugs.
--
Hanno Böck mail/jabber: hanno@...eck.de
GPG: BBB51E42 http://www.hboeck.de/
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