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Bugzilla #1883416 Certificate Misissuance

Certigna: TLS certificates with Basic constraint non-critical

RESOLVED FIXED Certigna
AI Summary

Certigna has been issuing TLS certificates since September 15, 2023, without the Basic Constraint extension marked as critical, which is a requirement under the Baseline Requirements. This issue was not identified by the monitoring team or automated tools, leading to the issuance of 3,661 non-compliant certificates, primarily used by French state ministries. Upon discovery, Certigna halted the issuance of TLS certificates and subsequently revoked all affected certificates. The incident has been resolved with corrective actions implemented.

Model: gpt-4o-mini Generated: 2026-06-13 21:27 UTC Confidence: 0.90
Chronology
  1. Issuance of non-compliant certificates
  2. Incident reported and certificate issuance stopped
  3. Notification sent to subscribers regarding revocation
  4. Revocation of all affected certificates
  5. All actions implemented and ticket ready for closure
Participants
Josselin Allemandou Ryan Dickson Arnaud F. Amir A. Rob R. Delval Ben Wilson
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