Maryland Statutes
Subtitle 6 - Actions to Quiet Title
Section 14-620 - Rights of Purchaser or Encumbrancer Without Knowledge of Defects or Irregularities in Judgment

Any relief granted in an action or proceeding directly or collaterally attacking a judgment entered under this subtitle, whether based on lack of actual notice to a party or otherwise, may not impair the rights of a purchaser or encumbrancer for value of the property acting in reliance on the judgment without knowledge of any defects or irregularities in the judgment or the proceedings.