"evaluatorSolution":"This vulnerability is addressed in the following product releases:\r\nClearswift, MAILsweeper for SMTP, 4.3.20 \r\nClearswift, MAILsweeper for Exchange, 4.3.20",
"descriptions":[
{
"lang":"en",
"value":"Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to cause a denial of service via (1) non-ASCII characters in a reverse DNS lookup result from a Received header, which leads to a Receiver service stop, and (2) unspecified vectors involving malformed messages, which causes \"unpredictable behavior\" that prevents the Security service from processing more messages."
},
{
"lang":"es",
"value":"Clearswift MAILsweeper para SMTP anterior a v4.3.20 y MAILsweeper para Exchange anterior a v4.3.20 permite a atacantes remotos provocar una denegaci\u00f3n de servicio a trav\u00e9s de (1) caracteres \"no-ASCII\" en un resultado de b\u00fasqueda de DNS inversa desde una cabecera Received, que lleva a una parada del servicio Receiver, y (2) vectores sin especificar que tienen que ver con mensajes mal formados que provocan un \"comportamiento impredecible\" que impide al servicio Security procesar m\u00e1s mensajes"