CVE-2008-4292: Opera Browser

High severity, CVSS 10.0. EPSS: 1.9% chance of exploitation in the next 30 days.

Opera before 9.52 does not check the CRL override upon encountering a certificate that lacks a CRL, which has unknown impact and attack vectors. NOTE: it is not clear whether this is a vulnerability, but the vendor included it in a security section of the advisory.

Affected products

• Opera Opera Browser: up to and including 9.51; version 5.0 only; version 5.02 only; version 5.10 only; version 5.11 only; version 5.12 only; …

Published 2008-09-27. Last modified 2026-06-16.