From 33a183df46355e4b281517e14c9b3c7e2b558dcf Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 4 Mar 2012 23:12:58 +0100 Subject: [PATCH] indeo3: Fix overreading requant_tab. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/indeo3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/indeo3.c b/libavcodec/indeo3.c index 54389a1abf..a87252a46a 100644 --- a/libavcodec/indeo3.c +++ b/libavcodec/indeo3.c @@ -622,7 +622,7 @@ static int decode_cell(Indeo3DecodeContext *ctx, AVCodecContext *avctx, /* of the predicted cell in order to avoid overflows. */ if (vq_index >= 8 && ref_block) { for (x = 0; x < cell->width << 2; x++) - ref_block[x] = requant_tab[vq_index & 7][ref_block[x]]; + ref_block[x] = requant_tab[vq_index & 7][ref_block[x] & 127]; } error = IV3_NOERR;