diff options
| -rw-r--r-- | libavformat/matroskadec.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index f75763284b..2c954afa05 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -945,7 +945,10 @@ static int ebml_parse_elem(MatroskaDemuxContext *matroska, return ebml_parse_nest(matroska, syntax->def.n, data); case EBML_PASS: return ebml_parse_id(matroska, syntax->def.n, id, data); case EBML_STOP: return 1; - default: return avio_skip(pb,length)<0 ? AVERROR(EIO) : 0; + default: + if(ffio_limit(pb, length) != length) + return AVERROR(EIO); + return avio_skip(pb,length)<0 ? AVERROR(EIO) : 0; } if (res == AVERROR_INVALIDDATA) av_log(matroska->ctx, AV_LOG_ERROR, "Invalid element\n"); |