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Algunos de estos bugs mostraron evidencia de corrupción de la memoria y suponemos que con un suficiente esfuerzo algunos de ellos podrían haberse explotado para ejecutar código arbitrario. Esta vulnerabilidad afecta a Firefox versiones anteriores a 79, Firefox ESR versiones anteriores a 68.11, Firefox ESR versiones anteriores a 78.1, Thunderbird versiones anteriores a 68.11 y Thunderbird versiones anteriores a 78.1"}],"affected":[{"source":"security@mozilla.org","affectedData":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"unspecified","lessThan":"79","versionType":"custom","status":"affected"}]},{"vendor":"Mozilla","product":"Firefox 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