diff --git a/NEWS b/NEWS
index 92fe7726ac8..f3d1a7cbd36 100644
--- a/NEWS
+++ b/NEWS
@@ -27,6 +27,7 @@ PHP                                                                        NEWS
 - Date:
   . Fixed bug GH-16454 (Unhandled INF in date_sunset() with tiny $utcOffset).
     (cmb)
+  . Fixed bug GH-14732 (date_sun_info() fails for non-finite values). (cmb)
 
 - DBA:
   . Fixed bug GH-16390 (dba_open() can segfault for "pathless" streams). (cmb)
diff --git a/ext/date/php_date.c b/ext/date/php_date.c
index 67a8e074f4a..7cff8e13e23 100644
--- a/ext/date/php_date.c
+++ b/ext/date/php_date.c
@@ -5299,6 +5299,10 @@ static void php_do_date_sunrise_sunset(INTERNAL_FUNCTION_PARAMETERS, bool calc_s
 	}
 	altitude = 90 - zenith;
 
+	if (!zend_finite(latitude) || !zend_finite(longitude)) {
+		RETURN_FALSE;
+	}
+
 	/* Initialize time struct */
 	tzi = get_timezone_info();
 	if (!tzi) {
@@ -5376,6 +5380,15 @@ PHP_FUNCTION(date_sun_info)
 		Z_PARAM_DOUBLE(longitude)
 	ZEND_PARSE_PARAMETERS_END();
 
+	if (!zend_finite(latitude)) {
+		zend_argument_value_error(2, "must be finite");
+		RETURN_THROWS();
+	}
+	if (!zend_finite(longitude)) {
+		zend_argument_value_error(3, "must be finite");
+		RETURN_THROWS();
+	}
+
 	/* Initialize time struct */
 	tzi = get_timezone_info();
 	if (!tzi) {
diff --git a/ext/date/tests/gh14732.phpt b/ext/date/tests/gh14732.phpt
new file mode 100644
index 00000000000..a41d2885dd5
--- /dev/null
+++ b/ext/date/tests/gh14732.phpt
@@ -0,0 +1,38 @@
+--TEST--
+GH-14732 (date_sun_info() fails for non-finite values)
+--FILE--
+<?php
+try {
+    date_sun_info(1, NAN, 1);
+} catch (ValueError $ex) {
+    echo $ex->getMessage(), "\n";
+}
+try {
+    date_sun_info(1, -INF, 1);
+} catch (ValueError $ex) {
+    echo $ex->getMessage(), "\n";
+}
+try {
+    date_sun_info(1, 1, NAN);
+} catch (ValueError $ex) {
+    echo $ex->getMessage(), "\n";
+}
+try {
+    date_sun_info(1, 1, INF);
+} catch (ValueError $ex) {
+    echo $ex->getMessage(), "\n";
+}
+var_dump(date_sunset(1, SUNFUNCS_RET_STRING, NAN, 1));
+var_dump(date_sunrise(1, SUNFUNCS_RET_STRING, 1, NAN));
+?>
+--EXPECTF--
+date_sun_info(): Argument #2 ($latitude) must be finite
+date_sun_info(): Argument #2 ($latitude) must be finite
+date_sun_info(): Argument #3 ($longitude) must be finite
+date_sun_info(): Argument #3 ($longitude) must be finite
+
+Deprecated: Function date_sunset() is deprecated in %s on line %d
+bool(false)
+
+Deprecated: Function date_sunrise() is deprecated in %s on line %d
+bool(false)