diff -r 7b2689ab6bcb -r cee15dd34514 components/libxml2/patches/12.CVE-2011-2834.patch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/libxml2/patches/12.CVE-2011-2834.patch	Mon Jul 23 03:17:23 2012 -0500
@@ -0,0 +1,52 @@
+This patch taken directly from upstream:
+http://git.gnome.org/browse/libxml2/commit/?id=1d4526f6f4ec8d18c40e2a09b387652a6c1aa2cd
+--- libxml2-2.7.6/xpath.c	Fri Dec  9 06:34:26 2011
++++ libxml2-2.7.6/new.xpath.c	Fri Dec  9 06:43:12 2011
+@@ -2485,6 +2485,7 @@
+                                              sizeof(ctxt->valueTab[0]));
+         if (tmp == NULL) {
+             xmlGenericError(xmlGenericErrorContext, "realloc failed !\n");
++	    ctxt->error = XPATH_MEMORY_ERROR;
+             return (0);
+         }
+         ctxt->valueMax *= 2;
+@@ -9327,6 +9328,7 @@
+ 		if ( (ch & 0xc0) != 0xc0 ) {
+ 		    xmlGenericError(xmlGenericErrorContext,
+ 			"xmlXPathTranslateFunction: Invalid UTF8 string\n");
++		    /* not asserting an XPath error is probably better */
+ 		    break;
+ 		}
+ 		/* then skip over remaining bytes for this char */
+@@ -9334,6 +9336,7 @@
+ 		    if ( (*cptr++ & 0xc0) != 0x80 ) {
+ 			xmlGenericError(xmlGenericErrorContext,
+ 			    "xmlXPathTranslateFunction: Invalid UTF8 string\n");
++			/* not asserting an XPath error is probably better */
+ 			break;
+ 		    }
+ 		if (ch & 0x80) /* must have had error encountered */
+@@ -13384,6 +13387,7 @@
+                         xmlGenericError(xmlGenericErrorContext,
+             "xmlXPathCompOpEval: variable %s bound to undefined prefix %s\n",
+                                     (char *) op->value4, (char *)op->value5);
++			ctxt->error = XPATH_UNDEF_PREFIX_ERROR;
+                         return (total);
+                     }
+ 		    val = xmlXPathVariableLookupNS(ctxt->context,
+@@ -13438,6 +13442,7 @@
+             "xmlXPathCompOpEval: function %s bound to undefined prefix %s\n",
+                                     (char *)op->value4, (char *)op->value5);
+ 			    xmlXPathPopFrame(ctxt, frame);
++			    ctxt->error = XPATH_UNDEF_PREFIX_ERROR;
+                             return (total);
+                         }
+                         func = xmlXPathFunctionLookupNS(ctxt->context,
+@@ -14016,6 +14021,7 @@
+     }
+     xmlGenericError(xmlGenericErrorContext,
+                     "XPath: unknown precompiled operation %d\n", op->op);
++    ctxt->error = XPATH_INVALID_OPERAND;
+     return (total);
+ }
+