Chrome bug shows SSL certificates as invalid when they aren't

AI-generated summary

A user, EricGT, reported an issue where Chrome shows SSL certificates as invalid when they aren’t. To reproduce the issue, EricGT provided a step-by-step guide. Another user, jomaxro, verified that the certificate appears fine. EricGT later discovered that the issue might be specific to Chrome, as the certificate appears valid in Microsoft Edge. supermathie confirmed that the issue is a known Chrome bug and supermathie provided a link to a meta discussion about the bug: https://meta.discourse.org/t/chrome-chromium-bug-ssl-certificates-show-incorrect-expired-dates/163394.

Repo

On meta search for review.discourse.org

Find topic with link using review.discourse.org, e.g. Google will be treating nofollow links differently - #10 by Roman

Click on link with review.discourse.org

https://review.discourse.org/t/feature-use-the-ugc-rel-attribute-alongside-nofollow/6173

Check certificate by mousing over padlock icon before url to show drop-down menu.
Click Certificate

Clicking certificate will show the certificate

Site still seems to work.

Cert looks fine to me…

Thanks.

I don’t know why I am seeing expired certificates on Chrome.

Looking at your example it looks like Microsoft Edge. For Edge I see

Thanks for the feed back and I will look into this more. If I find something of interest I will update.

Short answer: this is a Chrome bug, we’ll post more information about it later.

Thanks, will save me some leg work.

See: Chrome / Chromium bug: SSL certificates show incorrect (expired) dates