From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 7 Jul 2021 16:38:04 +0000 (+0100)
Subject: [Minor] Fix off-by-one read
X-Git-Tag: 3.0~197
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2367a70d32a34ae044c209a76eafe605a820ae81;p=thirdparty%2Frspamd.git

[Minor] Fix off-by-one read
---

diff --git a/src/libserver/html/html_entities.cxx b/src/libserver/html/html_entities.cxx
index 0d5b7d4de4..9ed080d4f9 100644
--- a/src/libserver/html/html_entities.cxx
+++ b/src/libserver/html/html_entities.cxx
@@ -2283,9 +2283,9 @@ decode_html_entitles_inplace(char *s, std::size_t len, bool norm_spaces)
 			heuristic_lookup_func(2);
 
 			/* Leave undecoded */
-			if (!entity_def && (end - t > h - e + 1)) {
-				memmove(t, e, h - e + 1);
-				t += h - e + 1;
+			if (!entity_def && (end - t > h - e)) {
+				memmove(t, e, h - e);
+				t += h - e;
 			}
 			else if (entity_def) {
 				return true;