[FFmpeg-devel] [PATCH] avcodec/options_table: remove extradata_size from the AVOptions table

Michael Niedermayer michaelni at gmx.at
Mon Mar 9 17:47:59 CET 2015


On Mon, Mar 09, 2015 at 05:33:46PM +0100, Nicolas George wrote:
> Le nonidi 19 ventôse, an CCXXIII, Michael Niedermayer a écrit :
> > you miss the problem, this is a demuxer side problem,
> > a attacker can at least crash your application no muxer side change
> > can fix this, the attacker has his own self written muxer that
> > produces a mallicious bitstream
> 
> (Unrelated to this particular change, which seems right to me.)
> 
> Maybe we need a flag to indicate whether an option can be safely set, even
> with a value coming from an hostile source.

yes, indeed

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The bravest are surely those who have the clearest vision
of what is before them, glory and danger alike, and yet
notwithstanding go out to meet it. -- Thucydides
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