CVE-2011-0764

Author: Marc Deslauriers <marc.deslauriers@canonical.com>

Origin: https://bazaar.launchpad.net/~ubuntu-branches/ubuntu/wily/t1lib/wily/view/head:/debian/patches/CVE-2011-0764.diff

--- t1lib-5.1.2.orig/lib/type1/type1.c	2011-12-13 14:24:14.280965637 -0600

+++ t1lib-5.1.2/lib/type1/type1.c	2011-12-13 14:25:25.893320747 -0600

@@ -1700,6 +1700,7 @@

   long pindex = 0;

   /* compute hinting for previous segment! */

+  if (ppoints == NULL) Error0i("RLineTo: No previous point!\n");

   FindStems( currx, curry, currx-ppoints[numppoints-2].x, curry-ppoints[numppoints-2].y, dx, dy);

   /* Allocate a new path point and pre-setup data */

@@ -1728,6 +1729,7 @@

   long pindex = 0;

   /* compute hinting for previous point! */

+  if (ppoints == NULL) Error0i("RRCurveTo: No previous point!\n");

   FindStems( currx, curry, currx-ppoints[numppoints-2].x, curry-ppoints[numppoints-2].y, dx1, dy1);

   /* Allocate three new path points and pre-setup data */

@@ -1903,6 +1905,7 @@

     FindStems( currx, curry, 0, 0, dx, dy);

   }

   else {

+    if (ppoints == NULL) Error0i("RMoveTo: No previous point!\n");

     FindStems( currx, curry, ppoints[numppoints-2].x, ppoints[numppoints-2].y, dx, dy);

   }