From d5b81e8966d71ac2f13465fa308c9910b0e31992 Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Tue, 19 Jan 2021 18:35:41 +0100 Subject: check_curl: fixed a potential buffer overflow in url buffer --- plugins/check_curl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/plugins/check_curl.c b/plugins/check_curl.c index ef77918b..a3f63f16 100644 --- a/plugins/check_curl.c +++ b/plugins/check_curl.c @@ -1041,7 +1041,7 @@ redir (curlhelp_write_curlbuf* header_buf) const UriPathSegmentA* p = uri.pathHead; for (; p; p = p->next) { strncat (new_url, "/", DEFAULT_BUFFER_SIZE); - strncat (new_url, uri_string (p->text, buf, DEFAULT_BUFFER_SIZE), DEFAULT_BUFFER_SIZE); + strncat (new_url, uri_string (p->text, buf, DEFAULT_BUFFER_SIZE), DEFAULT_BUFFER_SIZE-1); } } -- cgit v1.2.3-74-g34f1