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Download affected certificate serials for 2020.02.29 CAA Rechecking Incident
community.letsencrypt.org
community.letsencrypt.org
Download affected certificate serials for 2020.02.29 CAA Rechecking Incident
Download affected certificate serials for 2020.02.29 CAA Rechecking Incident - Let's Encrypt - Free SSL/TLS Certificates
Last updated: Mar 3, 2020 This page hosts the list of affected serial numbers and a hostname checking utility for the incident reported at https://community.letsencrypt.org/t/2020-02-29-caa-rechecking-bug/114591. We have sent notification emails to affected subscribers who have registered an...
letsencrypt.org

2020.02.29 CAA Rechecking Bug
On 2020-02-29 UTC, Let’s Encrypt found a bug in our CAA code. Our CA software, Boulder, checks for CAA records at the same time it validates a subscriber’s control of a domain name. Most subscribers issue a certificate immediately after domain control validation, but we consider a validation...


Revoking certain certificates on March 4
[Update 2020-03-05: The most up-to-date summary is at 2020.02.29 CAA Rechecking Bug] Due to the 2020.02.29 CAA Rechecking Bug, we unfortunately need to revoke many Let’s Encrypt TLS/SSL certificates. We’re e-mailing affected subscribers for whom we have contact information. This post and...
