From 2e1e3c1e41b67b11d06e077255e31886550510c6 Mon Sep 17 00:00:00 2001 From: Laurent Aimar Date: Sat, 1 Oct 2011 00:44:54 +0200 Subject: [PATCH] Check for corrupted data in avs demuxer. Signed-off-by: Michael Niedermayer (cherry picked from commit 1cce7def0a8eff2e7db294b7d195a0fb1a5043b0) Signed-off-by: Michael Niedermayer --- libavformat/avs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/avs.c b/libavformat/avs.c index 1fcb19fdde..878898edbc 100644 --- a/libavformat/avs.c +++ b/libavformat/avs.c @@ -163,6 +163,8 @@ static int avs_read_packet(AVFormatContext * s, AVPacket * pkt) sub_type = get_byte(s->pb); type = get_byte(s->pb); size = get_le16(s->pb); + if (size < 4) + return AVERROR_INVALIDDATA; avs->remaining_frame_size -= size; switch (type) {