Be careful. Something doesn’t look right. Firefox spotted a potentially serious security issue with www.aol.fr. Someone pretending to be the site could try to steal things like credit card info, passwords, or emails.

Hi.

Often this is a domain security outdated, but just tried your link and it goes to Yahoo in French.

I note the link is http://www.aol.fr/ so no security.

So if you trust Yahoo . . . . I don't

Hello

What do the security warning codes mean https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean Troubleshoot security error codes on secure websites https://support.mozilla.org/en-US/kb/error-codes-secure-websites

If the error occurs on one site only, test it using SSL Labs https://www.ssllabs.com/ssltest

https://www.ssllabs.com/ssltest/analyze.html?d=www.aol.fr Overall Rating T at instant analyze https://www.ssllabs.com/ssltest/analyze.html?d=www.aol.fr&s=13.248.158.7&ignoreMismatch=on https://www.ssllabs.com/ssltest/analyze.html?d=www.aol.fr&s=76.223.84.192&ignoreMismatch=on

Other information urlscan io https://urlscan.io https://urlscan.io/result/019e16a9-d4cd-758f-83ab-1c221b10def4 https://urlscan.io/result/019e16a9-d4cd-758f-83ab-1c221b10def4/#redirects https://urlscan.io/result/019e16b3-4165-7268-a464-468d79087236

SSL Report https://www.ssllabs.com/ssltest/analyze.html?d=fr.yahoo.com Overall Rating B at instant analyze

https://fr.yahoo.com

Basically the "Advanced" details tell you what's the issue.

In this case the site was badly configured, and the certificate forgot to include this redirect as well.

From what I can tell it appears the site operators fixed this issue today (or serve different results over time based on load balancing?) as www.aol.fr (13.248.158.7) on Mon, 11 May 2026 10:55:09 UTC failed trust checks, whereas the same www.aol.fr (13.248.158.7) on Mon, 11 May 2026 11:54:07 UTC passed A+ — the change is the certificate served a) now matches, b) is issued today fresh.

My guess is they mistakenly provisioned a "yahoo.*" certificate instead of a "aol.*" one, based on before/after:

(so yes, somebody was really pretending to be something else, and the error page was spot on…)

New analyze https://www.aol.fr at instant https://www.ssllabs.com/ssltest/analyze.html?d=www.aol.fr Overall Rating A+

no such problem on Edge or Chrome !!! Firefox sucks ?

If other browsers allowed you to access the site during the same timeframe this error was produced (before Yahoo/AOL fixed their booboo earlier today), it's a security bug that you should report to their authors.