CVE-2008-4292: Opera before 9.52 does not check the CRL override upon encountering a certificate that lacks a CRL, which h...

Security readout for executives and security teams

This CVE describes a legacy Opera browser issue before version 9.52 involving certificate revocation-list handling. The public record says impact and attack vectors are unknown, and even notes uncertainty about whether it is a vulnerability. Business urgency depends mainly on whether obsolete Opera versions still exist. Exposure is limited to systems where Opera before 9.52 remains installed or packaged. This is most likely in legacy desktops, kiosks, old images, or unmaintained Linux/Gentoo-era systems. Treat this as a legacy hygiene item, not an emergency, unless old Opera browsers are still present in sensitive environments. Mitigation focus: Inventory endpoints and images for Opera versions before 9.52.; Upgrade or remove obsolete Opera installations according to vendor guidance.; Review Gentoo or distribution advisories if Opera came from packages..

Prepared

Jun 28, 2026, 11:59 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.