1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/dxa.c b/libavcodec/dxa.c
index 0f64b5e619..c8e3f71399 100644
--- a/libavcodec/dxa.c
+++ b/libavcodec/dxa.c
@@ -329,6 +329,11 @@ static av_cold int decode_init(AVCodecContext *avctx)
 {
     DxaDecContext * const c = avctx->priv_data;
 
+    if (avctx->width%4 || avctx->height%4) {
+        avpriv_request_sample(avctx, "dimensions are not a multiple of 4");
+        return AVERROR_INVALIDDATA;
+    }
+
     c->prev = av_frame_alloc();
     if (!c->prev)
         return AVERROR(ENOMEM);