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Date: Fri, 16 Sep 2016 21:49:19 -0400 (EDT)
From: cve-assign@...re.org
To: ago@...too.org
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: libav: NULL pointer dereference in put_no_rnd_pixels8_xy2_mmx (rnd_template.c)

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> https://blogs.gentoo.org/ago/2016/09/17/libav-null-pointer-dereference-in-put_no_rnd_pixels8_xy2_mmx-rnd_template-c/
> 
> A fuzzing, with an mp3 file as input, discovered a null pointer access in
> put_no_rnd_pixels8_xy2_mmx.
> 
> Input #0, h263, from '9.crashes'
> 
> AddressSanitizer: SEGV on unknown address
> 
> put_no_rnd_pixels8_xy2_mmx libav-11.7/libavcodec/x86/rnd_template.c:37:5
> 
> https://git.libav.org/?p=libav.git;a=commit;h=136f55207521f0b03194ef5b55ba70f1635d6aee

>> mpegvideo_motion: Handle edge emulation even without unrestricted_mv
>> 
>> Fix out of bounds read.
>> 
>> libavcodec/mpegvideo_motion.c

Use CVE-2016-7424.

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
[ A PGP key is available for encrypted communications at
  http://cve.mitre.org/cve/request_id.html ]
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