fix bug #67253: timelib_meridian_with_check out-of-bounds read

Conflicts:
	ext/date/lib/parse_date.c

4 files changed, 151 insertions, 101 deletions

diff --git a/ext/date/lib/parse_date.c b/ext/date/lib/parse_date.c
index a3364ef7f8..1d23c9b045 100644
--- a/ext/date/lib/parse_date.c
+++ b/ext/date/lib/parse_date.c
@@ -1,4 +1,4 @@
-/* Generated by re2c 0.13.5 on Mon Dec  5 22:02:41 2011 */
+/* Generated by re2c 0.13.5 on Fri Jul 18 16:11:36 2014 */
 #line 1 "ext/date/lib/parse_date.re"
 /*
    +----------------------------------------------------------------------+
@@ -403,9 +403,12 @@ static timelib_sll timelib_meridian_with_check(char **ptr, timelib_sll h)
 {
 	timelib_sll retval = 0;
 
-	while (!strchr("AaPp", **ptr)) {
+	while (**ptr && !strchr("AaPp", **ptr)) {
 		++*ptr;
 	}
+    if(!**ptr) {
+        return TIMELIB_UNSET;
+    }
 	if (**ptr == 'a' || **ptr == 'A') {
 		if (h == 12) {
 			retval = -12;
@@ -871,11 +874,11 @@ static int scan(Scanner *s, timelib_tz_get_wrapper tz_get_wrapper)
 std:
 	s->tok = cursor;
 	s->len = 0;
-#line 997 "ext/date/lib/parse_date.re"
+#line 1000 "ext/date/lib/parse_date.re"
 
 
 
-#line 879 "ext/date/lib/parse_date.c"
+#line 882 "ext/date/lib/parse_date.c"
 {
 	YYCTYPE yych;
 	unsigned int yyaccept = 0;
@@ -995,7 +998,7 @@ std:
 	}
 yy2:
 	YYDEBUG(2, *YYCURSOR);
-#line 1082 "ext/date/lib/parse_date.re"
+#line 1085 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("firstdayof | lastdayof");
 		TIMELIB_INIT;
@@ -1011,7 +1014,7 @@ yy2:
 		TIMELIB_DEINIT;
 		return TIMELIB_LF_DAY_OF_MONTH;
 	}
-#line 1015 "ext/date/lib/parse_date.c"
+#line 1018 "ext/date/lib/parse_date.c"
 yy3:
 	YYDEBUG(3, *YYCURSOR);
 	++YYCURSOR;
@@ -1034,7 +1037,7 @@ yy3:
 	}
 yy4:
 	YYDEBUG(4, *YYCURSOR);
-#line 1676 "ext/date/lib/parse_date.re"
+#line 1679 "ext/date/lib/parse_date.re"
 	{
 		int tz_not_found;
 		DEBUG_OUTPUT("tzcorrection | tz");
@@ -1047,7 +1050,7 @@ yy4:
 		TIMELIB_DEINIT;
 		return TIMELIB_TIMEZONE;
 	}
-#line 1051 "ext/date/lib/parse_date.c"
+#line 1054 "ext/date/lib/parse_date.c"
 yy5:
 	YYDEBUG(5, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -1358,12 +1361,12 @@ yy12:
 	if (yych <= '9') goto yy1385;
 yy13:
 	YYDEBUG(13, *YYCURSOR);
-#line 1771 "ext/date/lib/parse_date.re"
+#line 1774 "ext/date/lib/parse_date.re"
 	{
 		add_error(s, "Unexpected character");
 		goto std;
 	}
-#line 1367 "ext/date/lib/parse_date.c"
+#line 1370 "ext/date/lib/parse_date.c"
 yy14:
 	YYDEBUG(14, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -2420,11 +2423,11 @@ yy49:
 	if (yych <= '9') goto yy55;
 yy50:
 	YYDEBUG(50, *YYCURSOR);
-#line 1760 "ext/date/lib/parse_date.re"
+#line 1763 "ext/date/lib/parse_date.re"
 	{
 		goto std;
 	}
-#line 2428 "ext/date/lib/parse_date.c"
+#line 2431 "ext/date/lib/parse_date.c"
 yy51:
 	YYDEBUG(51, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -2433,12 +2436,12 @@ yy52:
 	YYDEBUG(52, *YYCURSOR);
 	++YYCURSOR;
 	YYDEBUG(53, *YYCURSOR);
-#line 1765 "ext/date/lib/parse_date.re"
+#line 1768 "ext/date/lib/parse_date.re"
 	{
 		s->pos = cursor; s->line++;
 		goto std;
 	}
-#line 2442 "ext/date/lib/parse_date.c"
+#line 2445 "ext/date/lib/parse_date.c"
 yy54:
 	YYDEBUG(54, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -2825,7 +2828,7 @@ yy72:
 	if (yych == 's') goto yy74;
 yy73:
 	YYDEBUG(73, *YYCURSOR);
-#line 1744 "ext/date/lib/parse_date.re"
+#line 1747 "ext/date/lib/parse_date.re"
 	{
 		timelib_ull i;
 		DEBUG_OUTPUT("relative");
@@ -2840,7 +2843,7 @@ yy73:
 		TIMELIB_DEINIT;
 		return TIMELIB_RELATIVE;
 	}
-#line 2844 "ext/date/lib/parse_date.c"
+#line 2847 "ext/date/lib/parse_date.c"
 yy74:
 	YYDEBUG(74, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -3602,7 +3605,7 @@ yy166:
 	}
 yy167:
 	YYDEBUG(167, *YYCURSOR);
-#line 1607 "ext/date/lib/parse_date.re"
+#line 1610 "ext/date/lib/parse_date.re"
 	{
 		const timelib_relunit* relunit;
 		DEBUG_OUTPUT("daytext");
@@ -3619,7 +3622,7 @@ yy167:
 		TIMELIB_DEINIT;
 		return TIMELIB_WEEKDAY;
 	}
-#line 3623 "ext/date/lib/parse_date.c"
+#line 3626 "ext/date/lib/parse_date.c"
 yy168:
 	YYDEBUG(168, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -4139,7 +4142,7 @@ yy193:
 	}
 yy194:
 	YYDEBUG(194, *YYCURSOR);
-#line 1666 "ext/date/lib/parse_date.re"
+#line 1669 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("monthtext");
 		TIMELIB_INIT;
@@ -4148,7 +4151,7 @@ yy194:
 		TIMELIB_DEINIT;
 		return TIMELIB_DATE_TEXT;
 	}
-#line 4152 "ext/date/lib/parse_date.c"
+#line 4155 "ext/date/lib/parse_date.c"
 yy195:
 	YYDEBUG(195, *YYCURSOR);
 	++YYCURSOR;
@@ -4199,7 +4202,7 @@ yy198:
 	}
 yy199:
 	YYDEBUG(199, *YYCURSOR);
-#line 1412 "ext/date/lib/parse_date.re"
+#line 1415 "ext/date/lib/parse_date.re"
 	{
 		int length = 0;
 		DEBUG_OUTPUT("datetextual | datenoyear");
@@ -4212,7 +4215,7 @@ yy199:
 		TIMELIB_DEINIT;
 		return TIMELIB_DATE_TEXT;
 	}
-#line 4216 "ext/date/lib/parse_date.c"
+#line 4219 "ext/date/lib/parse_date.c"
 yy200:
 	YYDEBUG(200, *YYCURSOR);
 	yyaccept = 6;
@@ -4481,7 +4484,7 @@ yy222:
 	}
 yy223:
 	YYDEBUG(223, *YYCURSOR);
-#line 1714 "ext/date/lib/parse_date.re"
+#line 1717 "ext/date/lib/parse_date.re"
 	{
 		int tz_not_found;
 		DEBUG_OUTPUT("dateshortwithtimeshort | dateshortwithtimelong | dateshortwithtimelongtz");
@@ -4510,7 +4513,7 @@ yy223:
 		TIMELIB_DEINIT;
 		return TIMELIB_SHORTDATE_WITH_TIME;
 	}
-#line 4514 "ext/date/lib/parse_date.c"
+#line 4517 "ext/date/lib/parse_date.c"
 yy224:
 	YYDEBUG(224, *YYCURSOR);
 	yyaccept = 7;
@@ -5208,7 +5211,7 @@ yy278:
 	YYDEBUG(278, *YYCURSOR);
 	++YYCURSOR;
 	YYDEBUG(279, *YYCURSOR);
-#line 1690 "ext/date/lib/parse_date.re"
+#line 1693 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("dateshortwithtimeshort12 | dateshortwithtimelong12");
 		TIMELIB_INIT;
@@ -5231,7 +5234,7 @@ yy278:
 		TIMELIB_DEINIT;
 		return TIMELIB_SHORTDATE_WITH_TIME;
 	}
-#line 5235 "ext/date/lib/parse_date.c"
+#line 5238 "ext/date/lib/parse_date.c"
 yy280:
 	YYDEBUG(280, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -5409,7 +5412,7 @@ yy294:
 	++YYCURSOR;
 yy295:
 	YYDEBUG(295, *YYCURSOR);
-#line 1384 "ext/date/lib/parse_date.re"
+#line 1387 "ext/date/lib/parse_date.re"
 	{
 		int length = 0;
 		DEBUG_OUTPUT("datenoday");
@@ -5422,7 +5425,7 @@ yy295:
 		TIMELIB_DEINIT;
 		return TIMELIB_DATE_NO_DAY;
 	}
-#line 5426 "ext/date/lib/parse_date.c"
+#line 5429 "ext/date/lib/parse_date.c"
 yy296:
 	YYDEBUG(296, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -6642,7 +6645,7 @@ yy362:
 	if (yych <= '9') goto yy365;
 yy364:
 	YYDEBUG(364, *YYCURSOR);
-#line 1528 "ext/date/lib/parse_date.re"
+#line 1531 "ext/date/lib/parse_date.re"
 	{
 		int length = 0;
 		DEBUG_OUTPUT("pgtextshort");
@@ -6655,7 +6658,7 @@ yy364:
 		TIMELIB_DEINIT;
 		return TIMELIB_PG_TEXT;
 	}
-#line 6659 "ext/date/lib/parse_date.c"
+#line 6662 "ext/date/lib/parse_date.c"
 yy365:
 	YYDEBUG(365, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -7293,7 +7296,7 @@ yy392:
 	}
 yy393:
 	YYDEBUG(393, *YYCURSOR);
-#line 1586 "ext/date/lib/parse_date.re"
+#line 1589 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("ago");
 		TIMELIB_INIT;
@@ -7313,7 +7316,7 @@ yy393:
 		TIMELIB_DEINIT;
 		return TIMELIB_AGO;
 	}
-#line 7317 "ext/date/lib/parse_date.c"
+#line 7320 "ext/date/lib/parse_date.c"
 yy394:
 	YYDEBUG(394, *YYCURSOR);
 	yyaccept = 5;
@@ -9063,7 +9066,7 @@ yy454:
 	++YYCURSOR;
 yy455:
 	YYDEBUG(455, *YYCURSOR);
-#line 1289 "ext/date/lib/parse_date.re"
+#line 1292 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("iso8601date4 | iso8601date2 | iso8601dateslash | dateslash");
 		TIMELIB_INIT;
@@ -9074,7 +9077,7 @@ yy455:
 		TIMELIB_DEINIT;
 		return TIMELIB_ISO_DATE;
 	}
-#line 9078 "ext/date/lib/parse_date.c"
+#line 9081 "ext/date/lib/parse_date.c"
 yy456:
 	YYDEBUG(456, *YYCURSOR);
 	yyaccept = 0;
@@ -9634,7 +9637,7 @@ yy475:
 	}
 yy476:
 	YYDEBUG(476, *YYCURSOR);
-#line 1426 "ext/date/lib/parse_date.re"
+#line 1429 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("datenoyearrev");
 		TIMELIB_INIT;
@@ -9645,7 +9648,7 @@ yy476:
 		TIMELIB_DEINIT;
 		return TIMELIB_DATE_TEXT;
 	}
-#line 9649 "ext/date/lib/parse_date.c"
+#line 9652 "ext/date/lib/parse_date.c"
 yy477:
 	YYDEBUG(477, *YYCURSOR);
 	yyaccept = 10;
@@ -9786,7 +9789,7 @@ yy488:
 	YYDEBUG(488, *YYCURSOR);
 	++YYCURSOR;
 	YYDEBUG(489, *YYCURSOR);
-#line 1144 "ext/date/lib/parse_date.re"
+#line 1147 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("timetiny12 | timeshort12 | timelong12");
 		TIMELIB_INIT;
@@ -9802,7 +9805,7 @@ yy488:
 		TIMELIB_DEINIT;
 		return TIMELIB_TIME12;
 	}
-#line 9806 "ext/date/lib/parse_date.c"
+#line 9809 "ext/date/lib/parse_date.c"
 yy490:
 	YYDEBUG(490, *YYCURSOR);
 	yyaccept = 11;
@@ -9815,7 +9818,7 @@ yy490:
 	}
 yy491:
 	YYDEBUG(491, *YYCURSOR);
-#line 1181 "ext/date/lib/parse_date.re"
+#line 1184 "ext/date/lib/parse_date.re"
 	{
 		int tz_not_found;
 		DEBUG_OUTPUT("timeshort24 | timelong24 | iso8601long");
@@ -9840,7 +9843,7 @@ yy491:
 		TIMELIB_DEINIT;
 		return TIMELIB_TIME24_WITH_ZONE;
 	}
-#line 9844 "ext/date/lib/parse_date.c"
+#line 9847 "ext/date/lib/parse_date.c"
 yy492:
 	YYDEBUG(492, *YYCURSOR);
 	yyaccept = 11;
@@ -10150,7 +10153,7 @@ yy523:
 	YYDEBUG(523, *YYCURSOR);
 	++YYCURSOR;
 	YYDEBUG(524, *YYCURSOR);
-#line 1161 "ext/date/lib/parse_date.re"
+#line 1164 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("mssqltime");
 		TIMELIB_INIT;
@@ -10169,7 +10172,7 @@ yy523:
 		TIMELIB_DEINIT;
 		return TIMELIB_TIME24_WITH_ZONE;
 	}
-#line 10173 "ext/date/lib/parse_date.c"
+#line 10176 "ext/date/lib/parse_date.c"
 yy525:
 	YYDEBUG(525, *YYCURSOR);
 	yyaccept = 11;
@@ -10275,7 +10278,7 @@ yy534:
 	if (yych <= '9') goto yy541;
 yy535:
 	YYDEBUG(535, *YYCURSOR);
-#line 1343 "ext/date/lib/parse_date.re"
+#line 1346 "ext/date/lib/parse_date.re"
 	{
 		int length = 0;
 		DEBUG_OUTPUT("datefull");
@@ -10289,7 +10292,7 @@ yy535:
 		TIMELIB_DEINIT;
 		return TIMELIB_DATE_FULL;
 	}
-#line 10293 "ext/date/lib/parse_date.c"
+#line 10296 "ext/date/lib/parse_date.c"
 yy536:
 	YYDEBUG(536, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -11026,7 +11029,7 @@ yy605:
 	YYDEBUG(606, *YYCURSOR);
 	++YYCURSOR;
 	YYDEBUG(607, *YYCURSOR);
-#line 1358 "ext/date/lib/parse_date.re"
+#line 1361 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("pointed date YYYY");
 		TIMELIB_INIT;
@@ -11037,7 +11040,7 @@ yy605:
 		TIMELIB_DEINIT;
 		return TIMELIB_DATE_FULL_POINTED;
 	}
-#line 11041 "ext/date/lib/parse_date.c"
+#line 11044 "ext/date/lib/parse_date.c"
 yy608:
 	YYDEBUG(608, *YYCURSOR);
 	yyaccept = 11;
@@ -11073,7 +11076,7 @@ yy611:
 	if (yych <= '9') goto yy605;
 yy612:
 	YYDEBUG(612, *YYCURSOR);
-#line 1370 "ext/date/lib/parse_date.re"
+#line 1373 "ext/date/lib/parse_date.re"
 	{
 		int length = 0;
 		DEBUG_OUTPUT("pointed date YY");
@@ -11086,7 +11089,7 @@ yy612:
 		TIMELIB_DEINIT;
 		return TIMELIB_DATE_FULL_POINTED;
 	}
-#line 11090 "ext/date/lib/parse_date.c"
+#line 11093 "ext/date/lib/parse_date.c"
 yy613:
 	YYDEBUG(613, *YYCURSOR);
 	yyaccept = 11;
@@ -11727,7 +11730,7 @@ yy656:
 	}
 yy657:
 	YYDEBUG(657, *YYCURSOR);
-#line 1329 "ext/date/lib/parse_date.re"
+#line 1332 "ext/date/lib/parse_date.re"
 	{
 		int length = 0;
 		DEBUG_OUTPUT("gnudateshort");
@@ -11740,7 +11743,7 @@ yy657:
 		TIMELIB_DEINIT;
 		return TIMELIB_ISO_DATE;
 	}
-#line 11744 "ext/date/lib/parse_date.c"
+#line 11747 "ext/date/lib/parse_date.c"
 yy658:
 	YYDEBUG(658, *YYCURSOR);
 	yyaccept = 13;
@@ -11846,7 +11849,7 @@ yy666:
 	}
 yy667:
 	YYDEBUG(667, *YYCURSOR);
-#line 1273 "ext/date/lib/parse_date.re"
+#line 1276 "ext/date/lib/parse_date.re"
 	{
 		int length = 0;
 		DEBUG_OUTPUT("americanshort | american");
@@ -11861,7 +11864,7 @@ yy667:
 		TIMELIB_DEINIT;
 		return TIMELIB_AMERICAN;
 	}
-#line 11865 "ext/date/lib/parse_date.c"
+#line 11868 "ext/date/lib/parse_date.c"
 yy668:
 	YYDEBUG(668, *YYCURSOR);
 	yyaccept = 14;
@@ -12094,7 +12097,7 @@ yy700:
 	if (yych <= ':') goto yy704;
 yy701:
 	YYDEBUG(701, *YYCURSOR);
-#line 1556 "ext/date/lib/parse_date.re"
+#line 1559 "ext/date/lib/parse_date.re"
 	{
 		int tz_not_found;
 		DEBUG_OUTPUT("clf");
@@ -12114,7 +12117,7 @@ yy701:
 		TIMELIB_DEINIT;
 		return TIMELIB_CLF;
 	}
-#line 12118 "ext/date/lib/parse_date.c"
+#line 12121 "ext/date/lib/parse_date.c"
 yy702:
 	YYDEBUG(702, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -12666,7 +12669,7 @@ yy763:
 	}
 yy764:
 	YYDEBUG(764, *YYCURSOR);
-#line 1301 "ext/date/lib/parse_date.re"
+#line 1304 "ext/date/lib/parse_date.re"
 	{
 		int length = 0;
 		DEBUG_OUTPUT("iso8601date2");
@@ -12679,7 +12682,7 @@ yy764:
 		TIMELIB_DEINIT;
 		return TIMELIB_ISO_DATE;
 	}
-#line 12683 "ext/date/lib/parse_date.c"
+#line 12686 "ext/date/lib/parse_date.c"
 yy765:
 	YYDEBUG(765, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -12718,7 +12721,7 @@ yy771:
 	YYDEBUG(771, *YYCURSOR);
 	++YYCURSOR;
 	YYDEBUG(772, *YYCURSOR);
-#line 1542 "ext/date/lib/parse_date.re"
+#line 1545 "ext/date/lib/parse_date.re"
 	{
 		int length = 0;
 		DEBUG_OUTPUT("pgtextreverse");
@@ -12731,7 +12734,7 @@ yy771:
 		TIMELIB_DEINIT;
 		return TIMELIB_PG_TEXT;
 	}
-#line 12735 "ext/date/lib/parse_date.c"
+#line 12738 "ext/date/lib/parse_date.c"
 yy773:
 	YYDEBUG(773, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -12869,7 +12872,7 @@ yy783:
 	}
 yy784:
 	YYDEBUG(784, *YYCURSOR);
-#line 1577 "ext/date/lib/parse_date.re"
+#line 1580 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("year4");
 		TIMELIB_INIT;
@@ -12877,7 +12880,7 @@ yy784:
 		TIMELIB_DEINIT;
 		return TIMELIB_CLF;
 	}
-#line 12881 "ext/date/lib/parse_date.c"
+#line 12884 "ext/date/lib/parse_date.c"
 yy785:
 	YYDEBUG(785, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -13028,7 +13031,7 @@ yy793:
 	}
 yy794:
 	YYDEBUG(794, *YYCURSOR);
-#line 1398 "ext/date/lib/parse_date.re"
+#line 1401 "ext/date/lib/parse_date.re"
 	{
 		int length = 0;
 		DEBUG_OUTPUT("datenodayrev");
@@ -13041,7 +13044,7 @@ yy794:
 		TIMELIB_DEINIT;
 		return TIMELIB_DATE_NO_DAY;
 	}
-#line 13045 "ext/date/lib/parse_date.c"
+#line 13048 "ext/date/lib/parse_date.c"
 yy795:
 	YYDEBUG(795, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -13256,7 +13259,7 @@ yy814:
 	if (yych <= '7') goto yy817;
 yy815:
 	YYDEBUG(815, *YYCURSOR);
-#line 1509 "ext/date/lib/parse_date.re"
+#line 1512 "ext/date/lib/parse_date.re"
 	{
 		timelib_sll w, d;
 		DEBUG_OUTPUT("isoweek");
@@ -13274,7 +13277,7 @@ yy815:
 		TIMELIB_DEINIT;
 		return TIMELIB_ISO_WEEK;
 	}
-#line 13278 "ext/date/lib/parse_date.c"
+#line 13281 "ext/date/lib/parse_date.c"
 yy816:
 	YYDEBUG(816, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -13284,7 +13287,7 @@ yy817:
 	YYDEBUG(817, *YYCURSOR);
 	++YYCURSOR;
 	YYDEBUG(818, *YYCURSOR);
-#line 1490 "ext/date/lib/parse_date.re"
+#line 1493 "ext/date/lib/parse_date.re"
 	{
 		timelib_sll w, d;
 		DEBUG_OUTPUT("isoweekday");
@@ -13302,7 +13305,7 @@ yy817:
 		TIMELIB_DEINIT;
 		return TIMELIB_ISO_WEEK;
 	}
-#line 13306 "ext/date/lib/parse_date.c"
+#line 13309 "ext/date/lib/parse_date.c"
 yy819:
 	YYDEBUG(819, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -13366,7 +13369,7 @@ yy821:
 	}
 yy822:
 	YYDEBUG(822, *YYCURSOR);
-#line 1476 "ext/date/lib/parse_date.re"
+#line 1479 "ext/date/lib/parse_date.re"
 	{
 		int length = 0;
 		DEBUG_OUTPUT("pgydotd");
@@ -13379,7 +13382,7 @@ yy822:
 		TIMELIB_DEINIT;
 		return TIMELIB_PG_YEARDAY;
 	}
-#line 13383 "ext/date/lib/parse_date.c"
+#line 13386 "ext/date/lib/parse_date.c"
 yy823:
 	YYDEBUG(823, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -13482,7 +13485,7 @@ yy842:
 	++YYCURSOR;
 yy843:
 	YYDEBUG(843, *YYCURSOR);
-#line 1450 "ext/date/lib/parse_date.re"
+#line 1453 "ext/date/lib/parse_date.re"
 	{
 		int tz_not_found;
 		DEBUG_OUTPUT("xmlrpc | xmlrpcnocolon | soap | wddx | exif");
@@ -13507,7 +13510,7 @@ yy843:
 		TIMELIB_DEINIT;
 		return TIMELIB_XMLRPC_SOAP;
 	}
-#line 13511 "ext/date/lib/parse_date.c"
+#line 13514 "ext/date/lib/parse_date.c"
 yy844:
 	YYDEBUG(844, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -13769,7 +13772,7 @@ yy848:
 	}
 yy849:
 	YYDEBUG(849, *YYCURSOR);
-#line 1438 "ext/date/lib/parse_date.re"
+#line 1441 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("datenocolon");
 		TIMELIB_INIT;
@@ -13780,7 +13783,7 @@ yy849:
 		TIMELIB_DEINIT;
 		return TIMELIB_DATE_NOCOLON;
 	}
-#line 13784 "ext/date/lib/parse_date.c"
+#line 13787 "ext/date/lib/parse_date.c"
 yy850:
 	YYDEBUG(850, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -14700,7 +14703,7 @@ yy973:
 	if (yych <= '9') goto yy996;
 yy974:
 	YYDEBUG(974, *YYCURSOR);
-#line 1315 "ext/date/lib/parse_date.re"
+#line 1318 "ext/date/lib/parse_date.re"
 	{
 		int length = 0;
 		DEBUG_OUTPUT("gnudateshorter");
@@ -14713,7 +14716,7 @@ yy974:
 		TIMELIB_DEINIT;
 		return TIMELIB_ISO_DATE;
 	}
-#line 14717 "ext/date/lib/parse_date.c"
+#line 14720 "ext/date/lib/parse_date.c"
 yy975:
 	YYDEBUG(975, *YYCURSOR);
 	yyaccept = 22;
@@ -15722,7 +15725,7 @@ yy1066:
 	}
 yy1068:
 	YYDEBUG(1068, *YYCURSOR);
-#line 1207 "ext/date/lib/parse_date.re"
+#line 1210 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("gnunocolon");
 		TIMELIB_INIT;
@@ -15744,7 +15747,7 @@ yy1068:
 		TIMELIB_DEINIT;
 		return TIMELIB_GNU_NOCOLON;
 	}
-#line 15748 "ext/date/lib/parse_date.c"
+#line 15751 "ext/date/lib/parse_date.c"
 yy1069:
 	YYDEBUG(1069, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -15836,7 +15839,7 @@ yy1075:
 	}
 yy1076:
 	YYDEBUG(1076, *YYCURSOR);
-#line 1253 "ext/date/lib/parse_date.re"
+#line 1256 "ext/date/lib/parse_date.re"
 	{
 		int tz_not_found;
 		DEBUG_OUTPUT("iso8601nocolon");
@@ -15855,7 +15858,7 @@ yy1076:
 		TIMELIB_DEINIT;
 		return TIMELIB_ISO_NOCOLON;
 	}
-#line 15859 "ext/date/lib/parse_date.c"
+#line 15862 "ext/date/lib/parse_date.c"
 yy1077:
 	YYDEBUG(1077, *YYCURSOR);
 	yyaccept = 25;
@@ -16753,7 +16756,7 @@ yy1117:
 	}
 yy1118:
 	YYDEBUG(1118, *YYCURSOR);
-#line 1649 "ext/date/lib/parse_date.re"
+#line 1652 "ext/date/lib/parse_date.re"
 	{
 		timelib_sll i;
 		int         behavior = 0;
@@ -16769,7 +16772,7 @@ yy1118:
 		TIMELIB_DEINIT;
 		return TIMELIB_RELATIVE;
 	}
-#line 16773 "ext/date/lib/parse_date.c"
+#line 16776 "ext/date/lib/parse_date.c"
 yy1119:
 	YYDEBUG(1119, *YYCURSOR);
 	++YYCURSOR;
@@ -16820,7 +16823,7 @@ yy1126:
 	YYDEBUG(1126, *YYCURSOR);
 	++YYCURSOR;
 	YYDEBUG(1127, *YYCURSOR);
-#line 1122 "ext/date/lib/parse_date.re"
+#line 1125 "ext/date/lib/parse_date.re"
 	{
 		timelib_sll i;
 		int         behavior = 0;
@@ -16841,7 +16844,7 @@ yy1126:
 		TIMELIB_DEINIT;
 		return TIMELIB_WEEK_DAY_OF_MONTH;
 	}
-#line 16845 "ext/date/lib/parse_date.c"
+#line 16848 "ext/date/lib/parse_date.c"
 yy1128:
 	YYDEBUG(1128, *YYCURSOR);
 	yyaccept = 26;
@@ -16949,7 +16952,7 @@ yy1141:
 	}
 yy1142:
 	YYDEBUG(1142, *YYCURSOR);
-#line 1625 "ext/date/lib/parse_date.re"
+#line 1628 "ext/date/lib/parse_date.re"
 	{
 		timelib_sll i;
 		int         behavior = 0;
@@ -16972,7 +16975,7 @@ yy1142:
 		TIMELIB_DEINIT;
 		return TIMELIB_RELATIVE;
 	}
-#line 16976 "ext/date/lib/parse_date.c"
+#line 16979 "ext/date/lib/parse_date.c"
 yy1143:
 	YYDEBUG(1143, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -19649,7 +19652,7 @@ yy1294:
 	goto yy1298;
 yy1295:
 	YYDEBUG(1295, *YYCURSOR);
-#line 1099 "ext/date/lib/parse_date.re"
+#line 1102 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("backof | frontof");
 		TIMELIB_INIT;
@@ -19671,7 +19674,7 @@ yy1295:
 		TIMELIB_DEINIT;
 		return TIMELIB_LF_DAY_OF_MONTH;
 	}
-#line 19675 "ext/date/lib/parse_date.c"
+#line 19678 "ext/date/lib/parse_date.c"
 yy1296:
 	YYDEBUG(1296, *YYCURSOR);
 	yyaccept = 28;
@@ -21362,7 +21365,7 @@ yy1385:
 	if (yych <= '9') goto yy1385;
 yy1387:
 	YYDEBUG(1387, *YYCURSOR);
-#line 1057 "ext/date/lib/parse_date.re"
+#line 1060 "ext/date/lib/parse_date.re"
 	{
 		timelib_ull i;
 
@@ -21386,7 +21389,7 @@ yy1387:
 		TIMELIB_DEINIT;
 		return TIMELIB_RELATIVE;
 	}
-#line 21390 "ext/date/lib/parse_date.c"
+#line 21393 "ext/date/lib/parse_date.c"
 yy1388:
 	YYDEBUG(1388, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -21822,7 +21825,7 @@ yy1416:
 	++YYCURSOR;
 yy1417:
 	YYDEBUG(1417, *YYCURSOR);
-#line 1045 "ext/date/lib/parse_date.re"
+#line 1048 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("tomorrow");
 		TIMELIB_INIT;
@@ -21833,7 +21836,7 @@ yy1417:
 		TIMELIB_DEINIT;
 		return TIMELIB_RELATIVE;
 	}
-#line 21837 "ext/date/lib/parse_date.c"
+#line 21840 "ext/date/lib/parse_date.c"
 yy1418:
 	YYDEBUG(1418, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -21868,7 +21871,7 @@ yy1419:
 	}
 yy1420:
 	YYDEBUG(1420, *YYCURSOR);
-#line 1035 "ext/date/lib/parse_date.re"
+#line 1038 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("midnight | today");
 		TIMELIB_INIT;
@@ -21877,7 +21880,7 @@ yy1420:
 		TIMELIB_DEINIT;
 		return TIMELIB_RELATIVE;
 	}
-#line 21881 "ext/date/lib/parse_date.c"
+#line 21884 "ext/date/lib/parse_date.c"
 yy1421:
 	YYDEBUG(1421, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -23889,7 +23892,7 @@ yy1499:
 	}
 yy1500:
 	YYDEBUG(1500, *YYCURSOR);
-#line 1014 "ext/date/lib/parse_date.re"
+#line 1017 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("now");
 		TIMELIB_INIT;
@@ -23897,7 +23900,7 @@ yy1500:
 		TIMELIB_DEINIT;
 		return TIMELIB_RELATIVE;
 	}
-#line 23901 "ext/date/lib/parse_date.c"
+#line 23904 "ext/date/lib/parse_date.c"
 yy1501:
 	YYDEBUG(1501, *YYCURSOR);
 	yych = *++YYCURSOR;
@@ -24036,7 +24039,7 @@ yy1507:
 	}
 yy1508:
 	YYDEBUG(1508, *YYCURSOR);
-#line 1023 "ext/date/lib/parse_date.re"
+#line 1026 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("noon");
 		TIMELIB_INIT;
@@ -24047,7 +24050,7 @@ yy1508:
 		TIMELIB_DEINIT;
 		return TIMELIB_RELATIVE;
 	}
-#line 24051 "ext/date/lib/parse_date.c"
+#line 24054 "ext/date/lib/parse_date.c"
 yy1509:
 	YYDEBUG(1509, *YYCURSOR);
 	yyaccept = 0;
@@ -24580,7 +24583,7 @@ yy1530:
 	++YYCURSOR;
 yy1531:
 	YYDEBUG(1531, *YYCURSOR);
-#line 1002 "ext/date/lib/parse_date.re"
+#line 1005 "ext/date/lib/parse_date.re"
 	{
 		DEBUG_OUTPUT("yesterday");
 		TIMELIB_INIT;
@@ -24591,7 +24594,7 @@ yy1531:
 		TIMELIB_DEINIT;
 		return TIMELIB_RELATIVE;
 	}
-#line 24595 "ext/date/lib/parse_date.c"
+#line 24598 "ext/date/lib/parse_date.c"
 yy1532:
 	YYDEBUG(1532, *YYCURSOR);
 	yyaccept = 0;
@@ -24764,7 +24767,7 @@ yy1537:
 		goto yy1531;
 	}
 }
-#line 1775 "ext/date/lib/parse_date.re"
+#line 1778 "ext/date/lib/parse_date.re"
 
 }
 
diff --git a/ext/date/lib/parse_date.re b/ext/date/lib/parse_date.re
index 1fbd670592..74a7033608 100644
--- a/ext/date/lib/parse_date.re
+++ b/ext/date/lib/parse_date.re
@@ -401,9 +401,12 @@ static timelib_sll timelib_meridian_with_check(char **ptr, timelib_sll h)
 {
 	timelib_sll retval = 0;
 
-	while (!strchr("AaPp", **ptr)) {
+	while (**ptr && !strchr("AaPp", **ptr)) {
 		++*ptr;
 	}
+    if(!**ptr) {
+        return TIMELIB_UNSET;
+    }
 	if (**ptr == 'a' || **ptr == 'A') {
 		if (h == 12) {
 			retval = -12;
diff --git a/ext/date/lib/parse_iso_intervals.c b/ext/date/lib/parse_iso_intervals.c
index 07c5b76384..ca15b67201 100644
--- a/ext/date/lib/parse_iso_intervals.c
+++ b/ext/date/lib/parse_iso_intervals.c
@@ -1,4 +1,4 @@
-/* Generated by re2c 0.13.5 on Mon Dec  5 22:02:31 2011 */
+/* Generated by re2c 0.13.5 on Fri Jul 18 16:11:41 2014 */
 #line 1 "ext/date/lib/parse_iso_intervals.re"
 /*
    +----------------------------------------------------------------------+
diff --git a/ext/date/tests/bug67253.phpt b/ext/date/tests/bug67253.phpt
new file mode 100644
index 0000000000..b28cbe63c1
--- /dev/null
+++ b/ext/date/tests/bug67253.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Bug #67253 (timelib_meridian_with_check out-of-bounds read)
+--INI--
+date.timezone=Europe/Berlin
+--FILE--
+<?php
+$z = '';
+var_dump(date_parse_from_format("aHa0", "0=G{$z}9UCNnF"));
+--EXPECT--
+array(12) {
+  ["year"]=>
+  bool(false)
+  ["month"]=>
+  bool(false)
+  ["day"]=>
+  bool(false)
+  ["hour"]=>
+  int(0)
+  ["minute"]=>
+  int(0)
+  ["second"]=>
+  int(0)
+  ["fraction"]=>
+  bool(false)
+  ["warning_count"]=>
+  int(0)
+  ["warnings"]=>
+  array(0) {
+  }
+  ["error_count"]=>
+  int(3)
+  ["errors"]=>
+  array(3) {
+    [0]=>
+    string(51) "Meridian can only come after an hour has been found"
+    [1]=>
+    string(29) "A meridian could not be found"
+    [9]=>
+    string(12) "Data missing"
+  }
+  ["is_localtime"]=>
+  bool(false)
+}
+