X-Git-Url: https://git.piment-noir.org/?p=deb_ffmpeg.git;a=blobdiff_plain;f=ffmpeg%2Flibavcodec%2Fmmvideo.c;fp=ffmpeg%2Flibavcodec%2Fmmvideo.c;h=8b04965d59a7ed2247fd31f5538377377837284c;hp=9a7c10c3ab80d0579dd04398eafd62063c010535;hb=092a91210f1b986dc846dc52988518f8f913eb72;hpb=dcebb6f35d810c9009a455808b016c790bb633b4

diff --git a/ffmpeg/libavcodec/mmvideo.c b/ffmpeg/libavcodec/mmvideo.c
index 9a7c10c..8b04965 100644
--- a/ffmpeg/libavcodec/mmvideo.c
+++ b/ffmpeg/libavcodec/mmvideo.c
@@ -61,6 +61,13 @@ static av_cold int mm_decode_init(AVCodecContext *avctx)
 
     avctx->pix_fmt = AV_PIX_FMT_PAL8;
 
+    if (!avctx->width || !avctx->height ||
+        (avctx->width & 1) || (avctx->height & 1)) {
+        av_log(avctx, AV_LOG_ERROR, "Invalid video dimensions: %dx%d\n",
+               avctx->width, avctx->height);
+        return AVERROR(EINVAL);
+    }
+
     s->frame = av_frame_alloc();
     if (!s->frame)
         return AVERROR(ENOMEM);