bug #46837 fix

diff --git a/ext/imap/php_imap.c b/ext/imap/php_imap.c
index d1a9b0baa4f4e99ca035f302684c1cf0810c710e..23036c0760fdc55643839adfcaed9c0da158b1dc 100644 (file)
--- a/ext/imap/php_imap.c
+++ b/ext/imap/php_imap.c
@@ -1483,6 +1483,13 @@ PHP_FUNCTION(imap_close)
 
        if (argc == 2) {
                flags = options;
+
+                /* Check that flags is exactly equal to PHP_EXPUNGE or zero */
+                if (flags && ((flags & ~PHP_EXPUNGE) != 0)) {
+                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid value for the flags parameter");
+                         RETURN_FALSE;
+                }
+
                /* Do the translation from PHP's internal PHP_EXPUNGE define to c-client's CL_EXPUNGE */
                if (flags & PHP_EXPUNGE) {
                        flags ^= PHP_EXPUNGE;