diff --git a/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.cc b/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.cc
index fe9a974..372a813 100644
--- a/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.cc
+++ b/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.cc
@@ -108,6 +108,14 @@
                                               vpx_codec_frame_buffer* fb) {
   RTC_DCHECK(user_priv);
   RTC_DCHECK(fb);
+
+#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
+  // Limit size of 8k YUV highdef frame
+  size_t size_limit = 7680 * 4320 * 3 / 2 * 2;
+  if (min_size > size_limit)
+    return -1;
+#endif
+
   Vp9FrameBufferPool* pool = static_cast<Vp9FrameBufferPool*>(user_priv);
 
   rtc::scoped_refptr<Vp9FrameBuffer> buffer = pool->GetFrameBuffer(min_size);