@Oliver, it's actually https://codereview.chromium.org/2511583002. Mostly this:
"In particular, certificates issued by Symantec fail to work if it's more than 10 weeks after the build date" There's a build in the ~canonical-chromium-builds PPA that has the fix: Changelog chromium-browser (53.0.2785.143-0ubuntu2.16.10.1323) yakkety-security; urgency=medium * debian/patches/defang-ct-timebomb: backport TLS cert invalidity based on build-time. (LP: #1641380) -- Chad MILLER <chad.mil...@canonical.com> Mon, 14 Nov 2016 10:06:44 -0500 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to chromium-browser in Ubuntu. https://bugs.launchpad.net/bugs/1641380 Title: chromium-browser: ERR_CERTIFICATE_TRANSPARENCY_REQUIRED for Symantec certs Status in chromium-browser package in Ubuntu: Fix Released Bug description: Chromium browser in xenial no longer trusts Symantec issued certificates. See [1]. 1. https://bugs.chromium.org/p/chromium/issues/detail?id=664177 Ubuntu release: 16.04 chromium-browser: 53.0.2785.143-0ubuntu0.16.04.1.1254 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1641380/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp