  Bucket* GetBucket(const BucketIdType& id) {
    Bucket* b = buckets_[id];
    if (b == NULL) {
      b = new Bucket();
      buckets_[id] = b;
    }
    return b;
  }

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.