Fixed bug #45141 (setcookie will output expires years of >4 digits).

1 files changed, 10 insertions, 0 deletions

diff --git a/ext/standard/head.c b/ext/standard/head.c
index c0a7314df8..c27ef9f34d 100644
--- a/ext/standard/head.c
+++ b/ext/standard/head.c
@@ -124,8 +124,18 @@ PHPAPI int php_setcookie(char *name, int name_len, char *value, int value_len, t
 	} else {
 		snprintf(cookie, len + 100, "Set-Cookie: %s=%s", name, value ? encoded_value : "");
 		if (expires > 0) {
+			char *p;
 			strlcat(cookie, "; expires=", len + 100);
 			dt = php_format_date("D, d-M-Y H:i:s T", sizeof("D, d-M-Y H:i:s T")-1, expires, 0 TSRMLS_CC);
+			/* check to make sure that the year does not exceed 4 digits in length */
+			p = zend_memrchr(dt, '-', strlen(dt));
+			if (*(p + 5) != ' ') {
+				efree(dt);
+				efree(cookie);
+				efree(encoded_value);
+				zend_error(E_WARNING, "Expiry date cannot have a year greater then 9999");
+				return FAILURE;
+			}
 			strlcat(cookie, dt, len + 100);
 			efree(dt);
 		}