IZENPE: IssuingDistributionPoint extension in CRLs not marked as Critical
Izenpe S.A. reported an incident where the 'IssuingDistributionPoint' extension in their Certificate Revocation Lists (CRLs) was not marked as critical, violating CA/Browser Forum Baseline Requirements. The issue was identified on July 1, 2025, after a third-party notification. Izenpe took corrective action by marking the extension as critical on July 11, 2025, and submitted a preliminary incident report. They acknowledged the oversight in tracking changes to the Baseline Requirements and committed to improving their monitoring processes to prevent future occurrences. The incident has been resolved with the necessary changes implemented.
- Baseline Requirements updated to require 'IssuingDistributionPoint' to be marked as critical.
- Izenpe notified of the compliance issue.
- Izenpe marked the extension as critical in all CRLs.
- Izenpe S.A. — Izenpe confirmed the issue and filed a preliminary report.
- Izenpe S.A. — Izenpe marked the 'IssuingDistributionPoint' extension as critical.
- Izenpe S.A. — Closure report submitted detailing the incident and remediation.