CVE-2012-6468: Opera Browser

High severity, CVSS 9.3. EPSS: 4.1% chance of exploitation in the next 30 days.

Heap-based buffer overflow in Opera before 12.11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a long HTTP response.

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.