From 46cb2f6a2928a7fa4bee3f09b0475ccb8cdd2064 Mon Sep 17 00:00:00 2001 From: Laurent Aimar Date: Fri, 30 Sep 2011 23:42:32 +0000 Subject: eacmv: check for out of bound reads Signed-off-by: Janne Grunau --- libavcodec/eacmv.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'libavcodec/eacmv.c') diff --git a/libavcodec/eacmv.c b/libavcodec/eacmv.c index 0a146f5347..085e2d8177 100644 --- a/libavcodec/eacmv.c +++ b/libavcodec/eacmv.c @@ -153,6 +153,9 @@ static int cmv_decode_frame(AVCodecContext *avctx, CmvContext *s = avctx->priv_data; const uint8_t *buf_end = buf + buf_size; + if (buf_end - buf < EA_PREAMBLE_SIZE) + return AVERROR_INVALIDDATA; + if (AV_RL32(buf)==MVIh_TAG||AV_RB32(buf)==MVIh_TAG) { cmv_process_header(s, buf+EA_PREAMBLE_SIZE, buf_end); return buf_size; -- cgit v1.2.3