CVE-2013-6425 – pixman: integer underflow when handling trapezoids

https://notcve.org/view.php?id=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. 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. • http://cgit.freedesktop.org/pixman/commit/?id=5e14da97f16e421d084a9e735be21b1025150f0c http://lists.freedesktop.org/archives/pixman/2013-November/003109.html http://lists.opensuse.org/opensuse-updates/2014-01/msg00001.html http://lists.opensuse.org/opensuse-updates/2014-01/msg00005.html http://lists.opensuse.org/opensuse-updates/2014-01/msg00008.html http://lists.opensuse.org/opensuse-updates/2014-01/msg00097.html http://rhn.redhat.com/errata/RHSA-2013-1869.html http://www.debian.org/security/2013&#x • CWE-190: Integer Overflow or Wraparound CWE-191: Integer Underflow (Wrap or Wraparound) •