File openexr-CVE-2021-3477.patch of Package openexr.30992

diff --git a/src/lib/OpenEXR/ImfDeepTiledInputFile.cpp b/src/lib/OpenEXR/ImfDeepTiledInputFile.cpp
index 0f893481b..f5abe9c6a 100644
--- a/IlmImf/ImfDeepTiledInputFile.cpp
+++ b/IlmImf/ImfDeepTiledInputFile.cpp
@@ -1034,8 +1034,8 @@ DeepTiledInputFile::initialize ()
     for (size_t i = 0; i < _data->tileBuffers.size(); i++)
         _data->tileBuffers[i] = new TileBuffer ();
 
-    _data->maxSampleCountTableSize = _data->tileDesc.ySize *
-                                     _data->tileDesc.xSize *
+    _data->maxSampleCountTableSize = static_cast<size_t>(_data->tileDesc.ySize) *
+                                     static_cast<size_t>(_data->tileDesc.xSize) *
                                      sizeof(int);
 
     _data->sampleCountTableBuffer.resizeErase(_data->maxSampleCountTableSize);