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avformat/rtpdec_h264: Fix heap-buffer-overflow

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Fixes: rtp_sdp/poc.sdp

Found-by: Bingchang <l.bing.chang.bc@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c42a1388a6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-08-23 21:30:37 +02:00
parent 6622be010b
commit 5351c8bd46
1 changed files with 1 additions and 1 deletions
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2
libavformat/rtpdec_h264.c
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@ -166,7 +166,7 @@ static int sdp_parse_fmtp_config_h264(AVFormatContext *s,
parse_profile_level_id(s, h264_data, value);
} else if (!strcmp(attr, "sprop-parameter-sets")) {
int ret;
if (value[strlen(value) - 1] == ',') {
if (*value == 0 || value[strlen(value) - 1] == ',') {
av_log(s, AV_LOG_WARNING, "Missing PPS in sprop-parameter-sets, ignoring\n");
return 0;
}