← DarkMatter LLC cases
Bugzilla #1667518 Certificate Problem Report

QuoVadis: Incorrect keyUsage for ECC certificate

RESOLVED FIXED DarkMatter LLC
AI Summary

QuoVadis identified an issue with a small number of ECC certificates issued between February and November 2019 that incorrectly included the keyEncipherment keyUsage. The problem was discovered during monitoring of Bugzilla filings, leading to an investigation that confirmed the issuance of nine affected certificates. QuoVadis has since revoked these certificates and implemented measures to prevent future occurrences, including a review of certificate profiles and integration into DigiCert's compliance processes.

Model: gpt-4o-mini Generated: 2026-06-13 21:23 UTC Confidence: 0.95
Chronology
  1. QuoVadis identified the issue and began investigation.
  2. Investigation completed; nine problem certificates identified.
  3. Subscribers informed; revocation scheduled.
  4. Nine affected certificates confirmed revoked.
Participants
Stephen Davidson Mathew Hodson Ryan Sleevi B. Wilson
Similar Local Cases
#1738472 RESOLVED Certificate Problem Report Opened 2021-10-29 · Closed 2023-02-22 · 71% similar
QuoVadis: hostnames not in preferred name syntax
#1576283 RESOLVED Certificate Problem Report Opened 2019-08-23 · Closed 2023-02-22 · 70% similar
QuoVadis: N/A in EV serialNumber field
#1521950 RESOLVED Certificate Problem Report Opened 2019-01-22 · Closed 2023-02-22 · 69% similar
QuoVadis: BR Error - san dns name starts with period
#1563917 RESOLVED Certificate Problem Report Opened 2019-07-06 · Closed 2023-02-22 · 69% similar
QuoVadis: use of Organisationidentifier field in EV (Pre CABF Ballot SC17)
#1624504 RESOLVED Certificate Problem Report Opened 2020-03-24 · Closed 2023-02-22 · 68% similar
QuoVadis: Failure to revoke certificates with compromised private keys
#1645708 RESOLVED Certificate Problem Report Opened 2020-06-14 · Closed 2023-02-22 · 68% similar
QuoVadis: EV serialNumber with "none"
#1648997 RESOLVED Certificate Problem Report Opened 2020-06-28 · Closed 2023-02-22 · 67% similar
Actalis: inaccurate value in stateOrProvinceName
#1586792 RESOLVED Certificate Problem Report Opened 2019-10-07 · Closed 2023-02-22 · 66% similar
QuoVadis: Issuance of intermediates after 2019-01-01 that do not comply with Mozilla Policy or the BRs

We use only essential cookies and local browser storage for preferences and security. See our Privacy Policy for details.

Confirm action