CVE-2005-3059: Opera Browser

High severity, CVSS 10.0. EPSS: 2.2% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in Opera 8.50 on Linux and Windows have unknown impact and attack vectors, related to (1) " handling of must-revalidate cache directive for HTTPS pages" or (2) a "display issue with cookie comment encoding."

Affected products

• Opera Opera Browser: version 8.50 only

Published 2005-09-26. Last modified 2026-06-16.