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Bugzilla #1397954 Certificate Misissuance

DigiCert / Siemens: Insufficient Serial Number Entropy

RESOLVED DigiCert
AI Summary

This case involves DigiCert's handling of insufficient serial number entropy in certificates issued by Siemens. Following a certificate problem report, it was determined that Siemens failed to revoke affected certificates within the required timeframe. Consequently, a revocation was scheduled, and measures were taken to ensure compliance with best practices moving forward. The issue has since been resolved, with all problematic certificates revoked.

Model: gpt-4o-mini Generated: 2026-06-13 11:03 UTC Confidence: 0.95
Chronology
  1. Bug reported regarding insufficient serial number entropy.
  2. Scheduled revocation of affected certificates.
  3. All certificates from the CA issued after a specific date were revoked.
Participants
Jeremy Rowley Kathleen Wilson Ryan Sleevi Rufus Buschardt Markus Wichmann
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