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Date: Mon, 26 Sep 2016 11:34:05 +0200
From: Hanno Böck <>
Subject: Re: Re: ffmpeg afl bugs


On Mon, 26 Sep 2016 01:45:40 -0400 (EDT) wrote:

> > overread end of atom 'stsd' by 4294967134 bytes  
> Use CVE-2016-7554.

I don't think this is any vuln.

This is a warning message from ffmpeg itself, not from any memory
safety tool. Thus I interpret this as "this file is garbled and would
overread if we'd do what the file offsets indicate".

It probably indicated a bug that Michal originally found with this
file, but that happened long ago. The file is from Dec 2014 (looks like
this [1]).

Hanno Böck

GPG: FE73757FA60E4E21B937579FA5880072BBB51E42

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