CVE-2013-6425

Integer underflow in the pixman_trapezoid_valid macro in pixman.h in Pixman before 0.32.0, as used in X.Org server and cairo, allows context-dependent attackers to cause a denial of service (crash) via a negative bottom value.

Integer underflow in the pixman_trapezoid_valid macro in pixman.h in Pixman before 0.32.0, as used in X.Org server and cairo, allows context-dependent attackers to cause a denial of service (crash) via a negative bottom value.

Desbordamiento de entero en la macro pixman_trapezoid_valid en pixman.h de Pixman anteriores a 0.32.0, utilizado en el servidor X.Org y cairo, permite a atacantes dependientes de contexto causar una denegación de servicio (crash) a través de un valor mínimo negativo.