From: Moriyoshi Koizumi <moriyoshi@php.net>
Date: Sun, 12 Jan 2003 13:46:11 +0000 (+0000)
Subject: Fixed infinite loop bug when an invalid quoted-printable escape sequence
X-Git-Tag: PHP_5_0_dev_before_13561_fix~288
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a88173bf86c908c7043ccb8418c53e1b6080a472;p=php

Fixed infinite loop bug when an invalid quoted-printable escape sequence
appears in the streem.
---

diff --git a/ext/standard/filters.c b/ext/standard/filters.c
index 99b377e18b..be7346fc2e 100644
--- a/ext/standard/filters.c
+++ b/ext/standard/filters.c
@@ -675,7 +675,8 @@ static php_conv_err_t php_conv_qprint_decode_convert(php_conv_qprint_decode *ins
 				unsigned int nbl = (*ps >= 'A' ? *ps - 0x37 : *ps - 0x30);
 
 				if (nbl > 15) {
-					return 0;
+					err = PHP_CONV_ERR_INVALID_SEQ;
+					goto out;
 				}
 				v = (v << 4) | nbl;