long Tags::ParseTag(long long pos, long long size) {
 if (!ExpandTagsArray())
 return -1;

 Tag& t = m_tags[m_tags_count++];
  t.Init();

 return t.Parse(m_pSegment->m_pReader, pos, size);
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.