From 1973b6ac5cf9424169d2e4774cd2b61c1e19ee77 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 12 May 2015 18:03:55 +0200 Subject: [PATCH] avformat/rtpdec_xiph: Check upper bound on len in xiph_handle_packet() Larger packets are not supported and would cause problems later Signed-off-by: Michael Niedermayer (cherry picked from commit aa5169935e160551fb1c290d1397da2f04325817) Signed-off-by: Michael Niedermayer --- libavformat/rtpdec_xiph.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/rtpdec_xiph.c b/libavformat/rtpdec_xiph.c index dc34f9e224..da9a1e2c22 100644 --- a/libavformat/rtpdec_xiph.c +++ b/libavformat/rtpdec_xiph.c @@ -112,7 +112,7 @@ static int xiph_handle_packet(AVFormatContext *ctx, PayloadContext *data, return data->split_pkts > 0; } - if (len < 6) { + if (len < 6 || len > INT_MAX/2) { av_log(ctx, AV_LOG_ERROR, "Invalid %d byte packet\n", len); return AVERROR_INVALIDDATA; }