diff options
| -rw-r--r-- | libavformat/asfdec_f.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/asfdec_f.c b/libavformat/asfdec_f.c index ff9107d73f..5b4119a315 100644 --- a/libavformat/asfdec_f.c +++ b/libavformat/asfdec_f.c @@ -607,6 +607,8 @@ static int asf_read_ext_stream_properties(AVFormatContext *s, int64_t size) ff_get_guid(pb, &g); size = avio_rl16(pb); ext_len = avio_rl32(pb); + if (ext_len < 0) + return AVERROR_INVALIDDATA; avio_skip(pb, ext_len); if (stream_num < 128 && i < FF_ARRAY_ELEMS(asf->streams[stream_num].payload)) { ASFPayload *p = &asf->streams[stream_num].payload[i]; |