signature: Fix leak in urilen parsing

cf #4254

(cherry picked from commit 47dd9a5ebc26dac25b63b5ca37062e7a63cd5335)

diff --git a/src/detect-urilen.c b/src/detect-urilen.c
index 941df1ade3a45be7bf2042fd2617e46e6253fb9b..b2f7595dab7f4fd42f2b3631a639c1d6b75965c2 100644 (file)
--- a/src/detect-urilen.c
+++ b/src/detect-urilen.c
@@ -222,13 +222,15 @@ error:
     if (urilend)
         SCFree(urilend);
     if (arg1 != NULL)
-        SCFree(arg1);
+        pcre_free_substring(arg1);
     if (arg2 != NULL)
-        SCFree(arg2);
+        pcre_free_substring(arg2);
     if (arg3 != NULL)
-        SCFree(arg3);
+        pcre_free_substring(arg3);
     if (arg4 != NULL)
-        SCFree(arg4);
+        pcre_free_substring(arg4);
+    if (arg5 != NULL)
+        pcre_free_substring(arg5);
     return NULL;
 }