detect: initializes memory in bytemath parsing

4 years ago · 2b043150ed
parent b5d24a9a57
commit 2b043150ed
1 changed files with 1 additions and 1 deletions
--- 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) {