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Bugzilla #1718771 Certificate Problem Report

Sectigo: DCV Reuse after 825 days

RESOLVED FIXED Sectigo
AI Summary

Sectigo identified issues related to Domain Control Validation (DCV) reuse beyond the maximum period of 825 days, leading to the revocation of over 96,000 certificates. The investigation revealed complexities in tracking DCV methods due to multiple factors, including the nature of certificate requests from resellers and hosting providers. Sectigo undertook a comprehensive review of its DCV processes, resulting in the implementation of an audit script to identify affected certificates. The case highlights the challenges of ensuring compliance with best practices in certificate issuance and domain control.

Model: gpt-4o-mini Generated: 2026-06-13 20:57 UTC Confidence: 0.95
Chronology
  1. Initial awareness of DCV reuse issues announced.
  2. Revocation of 96,002 certificates with DCV reuse beyond 825 days.
  3. Completion of DCV misissuance research with no additional revocations pending.
Participants
Rob Stradling Tim Callan Ryan Sleevi Matthias
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