From e1dd919204322436e72e698051c6f1bd70f01b29 Mon Sep 17 00:00:00 2001
From: Moriyoshi Koizumi <moriyoshi@php.net>
Date: Fri, 3 Jan 2003 05:34:05 +0000
Subject: [PATCH] Fixed infinite loop of iconv_mime_encode() in case the
 specified line length is too short to contain a proper mime-encoded string

---
 ext/iconv/iconv.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ext/iconv/iconv.c b/ext/iconv/iconv.c
index b5f95cf1b8..00a3d20494 100644
--- a/ext/iconv/iconv.c
+++ b/ext/iconv/iconv.c
@@ -1077,6 +1077,10 @@ static php_iconv_err_t _php_iconv_mime_encode(smart_str *pretval, const char *fn
 								goto out;
 
 							case E2BIG:
+								if (prev_in_left == in_left) {
+									err = PHP_ICONV_ERR_TOO_BIG;
+									goto out;
+								}
 								break;
 
 							default:
-- 
2.50.1