zero buffer before printing in it
@@ -353,6 +353,7 @@ static void log_print(const char *file, int line, md_log_level_t level,
if (log_is_level(baton, p, level)) {
char buffer[LOG_BUF_LEN];
+ memset(buffer, 0, sizeof(buffer));
apr_vsnprintf(buffer, LOG_BUF_LEN-1, fmt, ap);
buffer[LOG_BUF_LEN-1] = '\0';
