1 files changed, 4 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/gstreamer/ImageGStreamerQt.cpp b/Source/WebCore/platform/graphics/gstreamer/ImageGStreamerQt.cpp
index ece3c3f27..58db02696 100644
--- a/Source/WebCore/platform/graphics/gstreamer/ImageGStreamerQt.cpp
+++ b/Source/WebCore/platform/graphics/gstreamer/ImageGStreamerQt.cpp
@@ -45,6 +45,10 @@ ImageGStreamer::ImageGStreamer(GstBuffer* buffer, GstCaps* caps)
 #ifdef GST_API_VERSION_1
     gst_buffer_map(buffer, &m_mapInfo, GST_MAP_READ);
     uchar* bufferData = reinterpret_cast<uchar*>(m_mapInfo.data);
+    if (size.width() * size.height() * 4 > m_mapInfo.maxsize) {
+        qWarning("Ignoring dangerously invalid frame emitted by GStreamer.");
+        return;
+    }
 #else
     uchar* bufferData = reinterpret_cast<uchar*>(GST_BUFFER_DATA(buffer));
 #endif