Provide references for CVE-2018-18286.
Where can I find more information about CVE-2018-18286?
References are available at: https://www.mitel.com/en-gb/support/security-advisories/mitel-product-security-adivsory-19-0003-001, https://www.mitel.com/-/media/mitel/pdf/security-advisories/security-bulletin-19-0003-001.pdf.