ffmpeg | branch: master | Michael Niedermayer <michae...@gmx.at> | Thu May 14 21:29:19 2015 +0200| [a9bf628bfdad142763880a3d1ccb6058040dda57] | committer: Michael Niedermayer
avcodec/dcadec: Check subsubframes Fixes: CID1239152 Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a9bf628bfdad142763880a3d1ccb6058040dda57 --- libavcodec/dcadec.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c index f385db5..77c3737 100644 --- a/libavcodec/dcadec.c +++ b/libavcodec/dcadec.c @@ -437,6 +437,10 @@ static int dca_subframe_header(DCAContext *s, int base_channel, int block_index) if (!base_channel) { s->subsubframes[s->current_subframe] = get_bits(&s->gb, 2) + 1; + if (block_index + s->subsubframes[s->current_subframe] > s->sample_blocks/8) { + s->subsubframes[s->current_subframe] = 1; + return AVERROR_INVALIDDATA; + } s->partial_samples[s->current_subframe] = get_bits(&s->gb, 3); } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
