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rtpdec: Limit writing to the buffer size

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This fixes potential buffer overwrites.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö
2012-12-11 18:58:59 +02:00
parent 48238fd00b
commit 81ef519252
1 changed files with 1 additions and 1 deletions
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libavformat/rtpdec.c
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@@ -531,7 +531,7 @@ static int rtp_parse_packet_internal(RTPDemuxContext *s, AVPacket *pkt,
if (ret < 0)
return AVERROR(EAGAIN);
if (ret < len) {
s->read_buf_size = len - ret;
s->read_buf_size = FFMIN(len - ret, sizeof(s->buf));
memcpy(s->buf, buf + ret, s->read_buf_size);
s->read_buf_index = 0;
return 1;