ffmpeg | branch: release/3.4 | Fredrik Hubinette <hu...@google.com> | Wed Nov 15 17:24:30 2017 -0800| [53715eb13ee1f3197c4a211fdb063a264e17fe0a] | committer: Michael Niedermayer
avformat/mov: Check size of STSC allocation Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit a6fdd75fe6440d2f4150cb456a9078aa68b00fdb) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=53715eb13ee1f3197c4a211fdb063a264e17fe0a --- libavformat/mov.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/mov.c b/libavformat/mov.c index 899690d920..fc2d59b51a 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2422,6 +2422,8 @@ static int mov_read_stsc(MOVContext *c, AVIOContext *pb, MOVAtom atom) avio_rb24(pb); /* flags */ entries = avio_rb32(pb); + if ((uint64_t)entries * 12 + 4 > atom.size) + return AVERROR_INVALIDDATA; av_log(c->fc, AV_LOG_TRACE, "track[%u].stsc.entries = %u\n", c->fc->nb_streams - 1, entries); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
