Fix leak on metadata replace

fix leak

1 files changed, 3 insertions, 0 deletions

diff --git a/library/cpp/yaml/fyamlcpp/fyamlcpp.cpp b/library/cpp/yaml/fyamlcpp/fyamlcpp.cpp
index 64e423f55d3..2a6ad83a36b 100644
--- a/library/cpp/yaml/fyamlcpp/fyamlcpp.cpp
+++ b/library/cpp/yaml/fyamlcpp/fyamlcpp.cpp
@@ -638,6 +638,9 @@ void TMapping::Remove(const TNodePairRef& toRemove) {
     ENSURE_NODE_NOT_EMPTY(Node_);
     ENSURE_NODE_NOT_EMPTY(toRemove);
     NDetail::RethrowOnError(fy_node_mapping_remove(Node_, toRemove.Pair_), Node_);
+    fy_node_free(fy_node_pair_key(toRemove.Pair_));
+    fy_node_free(fy_node_pair_value(toRemove.Pair_));
+    free(toRemove.Pair_);
 }
 
 TMappingIterator TMapping::Remove(const TMappingIterator& toRemove) {