CVE-2012-6461: Opera Browser

Medium severity, CVSS 5.0. EPSS: 0.9% chance of exploitation in the next 30 days.

The X.509 certificate-validation functionality in the https implementation in Opera before 12.10 allows remote attackers to trigger a false indication of successful revocation-status checking by causing a failure of a single checking service.

Affected products

• Opera Opera Browser: up to and including 12.10; version 1.00 only; version 2.00 only; version 2.10 only; version 2.12 only; version 3.00 only; …

Published 2013-01-02. Last modified 2026-06-16.