firefox https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox/#firefox38
firefox-esr https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr31.7 thunderbird https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/#thunderbird31.7 Sevan / Venture37
