MFH: r469778

Fix multiple CVEs and memory leaks

Details:

• Import patches from upstream HEAD to address a bunch of critical CVEs including potential remote code execution and memory leaks

PR: 228141
Submitted by: yasu@utahime.org
Security: CVE-2018-6767

		CVE-2018-7253
		CVE-2018-7254
		CVE-2018-10536
		CVE-2018-10537
		CVE-2018-10538
		CVE-2018-10539
		CVE-2018-10540

Approved by: ports-secteam (riggs)