Ensure that the RTP payload type is within the valid range defined by the RTP specification (0-127).
Invalid payload types could otherwise lead to incorrect RTP packet construction. Signed-off-by: Devraj Ajmera <[email protected]> --- libavformat/rtpenc.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/libavformat/rtpenc.c b/libavformat/rtpenc.c index 1d4b00a0f4..153ba25257 100644 --- a/libavformat/rtpenc.c +++ b/libavformat/rtpenc.c @@ -113,6 +113,13 @@ static int rtp_write_header(AVFormatContext *s1) return -1; } + if (s->payload_type > 127) { + av_log(s1, AV_LOG_ERROR, + "Invalid RTP payload type %d (must be 0-127)\n", + s->payload_type); + return AVERROR(EINVAL); + } + if (s->payload_type < 0) { /* Re-validate non-dynamic payload types */ if (st->id < RTP_PT_PRIVATE) -- 2.53.0.windows.1 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
