From

http://git.php.net/?p=php-src.git;a=commitdiff;h=4828f7343b3f31d914f4d4a5545865b8a19f7fb6

Integer overflow in SndToJewish leads to php hang

and

http://git.php.net/?p=php-src.git;a=commitdiff;h=c50cef1dc54ffd1d0fb71d1afb8b2c3cb3c5b6ef

Fixed bug #64895 Integer overflow in SndToJewish

CVE-2013-2110 - use correct formula to calculate string size

does NOT apply because no such function to patch.

--- php-5.2.17/ext/calendar/jewish.c_orig	2003-03-22 17:44:58.000000000 -0800

+++ php-5.2.17/ext/calendar/jewish.c	2013-07-01 15:33:18.280118195 -0700

@@ -272,6 +272,7 @@

 #define HALAKIM_PER_METONIC_CYCLE (HALAKIM_PER_LUNAR_CYCLE * (12 * 19 + 7))

 #define JEWISH_SDN_OFFSET 347997

+#define JEWISH_SDN_MAX 324542846L /* 12/13/887605, greater value raises interger overflow */

 #define NEW_MOON_OF_CREATION 31524

 #define SUNDAY    0

@@ -519,7 +520,7 @@

 	int tishri1After;

 	int yearLength;

-	if (sdn <= JEWISH_SDN_OFFSET) {

+	if (sdn <= JEWISH_SDN_OFFSET || sdn > JEWISH_SDN_MAX) {

 		*pYear = 0;

 		*pMonth = 0;

 		*pDay = 0;

--- php-5.2.17/ext/calendar/tests/jdtojewish64.phpt_orig	2013-07-01 15:41:34.918645609 -0700

+++ php-5.2.17/ext/calendar/tests/jdtojewish64.phpt	2013-07-01 15:37:34.054921308 -0700

@@ -0,0 +1,19 @@

+--TEST--

+Bug #64895: Integer overflow in SndToJewish

+--SKIPIF--

+<?php 

+include 'skipif.inc';

+if (PHP_INT_SIZE == 4) {

+        die("skip this test is for 64bit platform only");

+}

+?>

+--FILE--

+<?php

+$a = array(38245310, 324542846, 324542847, 9223372036854743639);

+

+foreach ($a as $x) var_dump(jdtojewish($x));

+--EXPECTF--

+string(11) "2/22/103759"

+string(12) "12/13/887605"

+string(5) "0/0/0"

+string(5) "0/0/0"