Fix $regex<n> use-after-free. Bug 2915

[exim.git] / src / src / smtp_in.c

diff --git a/src/src/smtp_in.c b/src/src/smtp_in.c
index 11e7436b917986af08d27fd13841d42a1f1886c0..a15280bdcfdea6bbf34e1a5d988733ff2fad2cb6 100644 (file)
--- a/src/src/smtp_in.c
+++ b/src/src/smtp_in.c
@@ -2157,8 +2157,10 @@ prdr_requested = FALSE;
 #ifdef SUPPORT_I18N
 message_smtputf8 = FALSE;
 #endif
+regex_vars_clear();
 body_linecount = body_zerocount = 0;
 
+lookup_value = NULL;                           /* Can be set by ACL */
 sender_rate = sender_rate_limit = sender_rate_period = NULL;
 ratelimiters_mail = NULL;           /* Updated by ratelimit ACL condition */
                    /* Note that ratelimiters_conn persists across resets. */