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Re: CVE request: ffmpeg before 0.7.8 and 0.8.7 2 buffer overflows and out-of-bounds read


From: Kurt Seifried <kseifried () redhat com>
Date: Wed, 23 Nov 2011 13:52:04 -0700

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?

-- 

-Kurt Seifried / Red Hat Security Response Team


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