From: Stephan Bosch <stephan.bosch@dovecot.fi>
Date: Thu, 27 Jul 2017 14:30:20 +0000 (+0200)
Subject: lib-http: Fixed bug in date parser: sometimes read one byte past end of input.
X-Git-Tag: 2.3.0.rc1~1205
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=76b50cc56df43d114f2363ec3066cf4a807eca49;p=thirdparty%2Fdovecot%2Fcore.git

lib-http: Fixed bug in date parser: sometimes read one byte past end of input.

This caused spurious parse errors.
---

diff --git a/src/lib-http/http-date.c b/src/lib-http/http-date.c
index 6462e376fc..85102c1142 100644
--- a/src/lib-http/http-date.c
+++ b/src/lib-http/http-date.c
@@ -140,8 +140,8 @@ http_date_parse_word(struct http_date_parser *parser,
 		str_append_c(word, parser->cur[0]);
 		parser->cur++;
 	}
-	
-	if (i_isalpha(parser->cur[0]))
+
+	if (parser->cur < parser->end && i_isalpha(parser->cur[0]))
 		return -1;
 	*word_r = word;
 	return 1;