CVE-2025-62602

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Antes de las versiones 3.4.1, 3.3.1 y 2.6.11, cuando el modo de seguridad est\u00e1 habilitado, modificar el Submensaje DATA dentro de un paquete SPDP enviado por un publicador causa un desbordamiento de b\u00fafer de pila, lo que resulta en la terminaci\u00f3n remota de Fast-DDS. Si los campos de `PID_IDENTITY_TOKEN` o `PID_PERMISSIONS_TOKEN` en el Submensaje DATA son manipulados \u2014 especialmente `readOctetVector` lee un `vecsize` no verificado que se propaga sin cambios a `readData` como el par\u00e1metro `length` \u2014 el `vecsize` controlado por el atacante puede desencadenar un desbordamiento de entero de 32 bits durante el c\u00e1lculo de `length`. Ese desbordamiento puede causar un intento de asignaci\u00f3n grande que r\u00e1pidamente lleva a OOM, habilitando una denegaci\u00f3n de servicio activable remotamente y la terminaci\u00f3n remota del proceso. 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