libavformat/rtpdec_rfc4175: Check for zero pgroup before mod

Signed-off-by: Kyle Schwarz <zeranoe@gmail.com>
3 years ago · a61d190972
parent b7ba472f43
commit a61d190972
1 changed files with 1 additions and 1 deletions
--- a/libavformat/rtpdec_rfc4175.c
+++ b/libavformat/rtpdec_rfc4175.c
@ -199,7 +199,7 @@ static int rfc4175_handle_packet(AVFormatContext *ctx, PayloadContext *data,
        cont = headers[4] & 0x80;
        headers += 6;

-        if (length % data->pgroup)
+        if (!data->pgroup || length % data->pgroup)
            return AVERROR_INVALIDDATA;

        if (length > payload_len)