2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/35982We discuss spherically symmetric static solutions of the Einstein-Klein-Gordon equations for a real scalar field with a mass and a quartic self-interaction term. As for the massless case the solutions have a naked singularity at the origin. However, linear stability analysis shows that these solutions as well as the massless ones are dynamically unstable.3 pages, latex, no figuresGeneral Relativity and Quantum Cosmologytext