From 01d376f598fe95478036f5d1e3e5e14ffe32d4bf Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Tue, 9 Apr 2013 20:33:25 +0200 Subject: rv10: check that extradata is large enough Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC:libav-stable@libav.org --- libavcodec/rv10.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'libavcodec/rv10.c') diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c index 789847da82..e4003a3ffb 100644 --- a/libavcodec/rv10.c +++ b/libavcodec/rv10.c @@ -346,6 +346,11 @@ static int rv20_decode_picture_header(RVDecContext *rv) f = get_bits(&s->gb, rpr_bits); if (f) { + if (s->avctx->extradata_size < 8 + 2 * f) { + av_log(s->avctx, AV_LOG_ERROR, "Extradata too small.\n"); + return AVERROR_INVALIDDATA; + } + new_w = 4 * ((uint8_t*)s->avctx->extradata)[6 + 2 * f]; new_h = 4 * ((uint8_t*)s->avctx->extradata)[7 + 2 * f]; } else { -- cgit v1.2.3