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This results in the use of uninitialized memory, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58."},{"lang":"es","value":"Una vulnerabilidad de desbordamiento de enteros en la librería Skia cuando se asigna memoria para los \"edge builders\" en determinados sistemas con al menos 8 GB de RAM. Esto resulta en el uso de memoria no inicializada, resultando en un cierre inesperado potencialmente explotable. Esta vulnerabilidad afecta a las versiones anteriores a la 52.6 de Thunderbird, las versiones anteriores a la 52.6 de Firefox ESR y las versiones anteriores a la 58 de 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