Module: libav
Branch: master
Commit: b146d74730ab9ec5abede9066f770ad851e45fbc

Author:    Michael Niedermayer <[email protected]>
Committer: Anton Khirnov <[email protected]>
Date:      Sat Apr 14 20:04:05 2012 +0200

indeo4: update AVCodecContext width/height on size change

Fixes CVE-2012-2787

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <[email protected]>

---

 libavcodec/ivi_common.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/libavcodec/ivi_common.c b/libavcodec/ivi_common.c
index 5ebbf56..6ff0f80 100644
--- a/libavcodec/ivi_common.c
+++ b/libavcodec/ivi_common.c
@@ -780,6 +780,7 @@ int ff_ivi_decode_frame(AVCodecContext *avctx, void *data, 
int *data_size,
         avctx->release_buffer(avctx, &ctx->frame);
 
     ctx->frame.reference = 0;
+    avcodec_set_dimensions(avctx, ctx->planes[0].width, ctx->planes[0].height);
     if ((result = avctx->get_buffer(avctx, &ctx->frame)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return result;

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