From 5497fa83f915b7194d409ce073f90f2ad36d21ce Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 29 Nov 2016 02:58:34 +0100 Subject: [PATCH] avformat/idroqdec: Check chunk_size for being too large Signed-off-by: Michael Niedermayer (cherry picked from commit 744a0b5206634e5de04d5c31f08cc3640faf800d) Signed-off-by: Michael Niedermayer --- libavformat/idroqdec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/idroqdec.c b/libavformat/idroqdec.c index 76bb3924b1..d733953a04 100644 --- a/libavformat/idroqdec.c +++ b/libavformat/idroqdec.c @@ -157,6 +157,9 @@ static int roq_read_packet(AVFormatContext *s, chunk_size = AV_RL32(&preamble[2]) + RoQ_CHUNK_PREAMBLE_SIZE * 2 + codebook_size; + if (chunk_size > INT_MAX) + return AVERROR_INVALIDDATA; + /* rewind */ avio_seek(pb, codebook_offset, SEEK_SET);