X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fiss.c;h=c9b7dc2d3ead85c398ed93a8a51eb83fa74977fc;hb=bc426827492f6c741608af37e2eaab6c8072815d;hp=1fd9f552d82fc3577292091a40c124f82f255f54;hpb=6774247a9d7d15033c2b80118c03cb0cb10027df;p=ffmpeg

diff --git a/libavformat/iss.c b/libavformat/iss.c
index 1fd9f552d82..c9b7dc2d3ea 100644
--- a/libavformat/iss.c
+++ b/libavformat/iss.c
@@ -2,20 +2,20 @@
  * ISS (.iss) file demuxer
  * Copyright (c) 2008 Jaikrishnan Menon <realityman@gmx.net>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -87,6 +87,11 @@ static av_cold int iss_read_header(AVFormatContext *s)
     get_token(pb, token, sizeof(token)); //Version ID
     get_token(pb, token, sizeof(token)); //Size
 
+    if (iss->packet_size <= 0) {
+        av_log(s, AV_LOG_ERROR, "packet_size %d is invalid\n", iss->packet_size);
+        return AVERROR_INVALIDDATA;
+    }
+
     iss->sample_start_pos = avio_tell(pb);
 
     st = avformat_new_stream(s, NULL);