CVE-2012-4145: Opera Browser

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

Unspecified vulnerability in Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, has unknown impact and attack vectors, related to a "low severity issue."

Affected products

• Opera Opera Browser: up to and including 12.00; version 12.00 only; up to and including 11.65; version 10.00 only; version 10.01 only; version 10.10 only; …

Published 2012-08-06. Last modified 2026-06-16.