[FFmpeg-devel] Security issues?

Michael Niedermayer michaelni
Tue Sep 22 21:08:13 CEST 2009


On Tue, Sep 22, 2009 at 08:09:08PM +0200, Michael Niedermayer wrote:
> Hi
> 
> lars has mailed me the following 2 links
> http://www.heise.de/newsticker/Sicherheitsluecken-in-VLC-und-FFmpeg--/meldung/145655
> http://secunia.com/advisories/36805/

one issue from chromium
in vorbis_dec.c

    for(i=0;i<mapping->submaps;++i) {
        vorbis_residue *residue;
        uint_fast8_t ch=0;

        for(j=0;j<vc->audio_channels;++j) {
            if ((mapping->submaps==1) || (i=mapping->mux[j])) {
                                           ^
= -> ==
vorbis maintainer?

                res_chan[j]=res_num;
                if (no_residue[j]) {
                    do_not_decode[ch]=1;
                } else {
                    do_not_decode[ch]=0;


[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Opposition brings concord. Out of discord comes the fairest harmony.
-- Heraclitus
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