From: Philippe Antoine <contact@catenacyber.fr>
Date: Thu, 28 Jan 2021 16:02:19 +0000 (+0100)
Subject: detect: initializes memory in bytemath parsing
X-Git-Tag: suricata-7.0.0-beta1~1812
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b043150ed11b7def7047fb4170c27e95b00099f;p=thirdparty%2Fsuricata.git

detect: initializes memory in bytemath parsing
---

diff --git a/src/detect-bytemath.c b/src/detect-bytemath.c
index 8994c13e92..9a7005d81b 100644
--- a/src/detect-bytemath.c
+++ b/src/detect-bytemath.c
@@ -262,7 +262,7 @@ static DetectByteMathData *DetectByteMathParse(DetectEngineCtx *de_ctx, const ch
 #undef MAX_SUBSTRINGS
 #define MAX_SUBSTRINGS 100
     int ov[MAX_SUBSTRINGS];
-    char tmp_str[128];
+    char tmp_str[128] = "";
 
     ret = DetectParsePcreExec(&parse_regex, arg, 0, 0, ov, MAX_SUBSTRINGS);
     if (ret < MIN_GROUP || ret > MAX_GROUP) {