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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-01-25 21:30:04 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-01-31 18:03:35 +0100 |
| commit | 953f97979fc292abb3fd166c90bf8fbbf8ef5a73 (patch) | |
| tree | 5062627caf4fbfbddb30e4f8e8034cbf055954d1 | |
| parent | e75a73d6294807a8d4d6022280cd6e25dac32990 (diff) | |
| download | ffmpeg-953f97979fc292abb3fd166c90bf8fbbf8ef5a73.tar.gz | |
avformat/rtsp: Check number of streams in sdp_parse_line()
Fixes: OOM
Found-by: Michael Hanselmann <public@hansmi.ch>
Reviewed-by: Michael Hanselmann <public@hansmi.ch>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 497c9b0cce559d43607bbbd679fe42f1d7e9040e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/rtsp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c index 82c6c12af5..975637cf54 100644 --- a/libavformat/rtsp.c +++ b/libavformat/rtsp.c @@ -454,7 +454,10 @@ static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1, } else if (!strcmp(st_type, "text")) { codec_type = AVMEDIA_TYPE_SUBTITLE; } - if (codec_type == AVMEDIA_TYPE_UNKNOWN || !(rt->media_type_mask & (1 << codec_type))) { + if (codec_type == AVMEDIA_TYPE_UNKNOWN || + !(rt->media_type_mask & (1 << codec_type)) || + rt->nb_rtsp_streams >= s->max_streams + ) { s1->skip_media = 1; return; } |