From a02e8df973f5478ec82f4c507f5b5b191a5ecb6b Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 25 Jan 2012 23:23:35 +0100
Subject: [PATCH] kgv1dec: Increase offsets array size so it is large enough.
Fixes CVE-2011-3945
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 807a045ab7f51993a2c1b3116016cbbd4f3d20d6)
Signed-off-by: Alex Converse <alex.converse@gmail.com>
---
libavcodec/kgv1dec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/kgv1dec.c b/libavcodec/kgv1dec.c
index 2d6fa73fc2e..f3ffd8f09e9 100644
--- a/libavcodec/kgv1dec.c
+++ b/libavcodec/kgv1dec.c
@@ -39,7 +39,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
const uint8_t *buf = avpkt->data;
const uint8_t *buf_end = buf + avpkt->size;
KgvContext * const c = avctx->priv_data;
- int offsets[7];
+ int offsets[8];
uint16_t *out, *prev;
int outcnt = 0, maxcnt;
int w, h, i;
@@ -69,7 +69,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
return -1;
c->prev = prev;
- for (i = 0; i < 7; i++)
+ for (i = 0; i < 8; i++)
offsets[i] = -1;
while (outcnt < maxcnt && buf_end - 2 > buf) {
--
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