CVE-2011-1337: Opera Browser

Medium severity, CVSS 4.3. EPSS: 2.6% chance of exploitation in the next 30 days.

Opera before 11.50 allows remote attackers to cause a denial of service (disk consumption) via invalid URLs that trigger creation of error pages.

Affected products

• Opera Opera Browser: up to and including 11.50; version 5.0 only; version 5.02 only; version 5.10 only; version 5.11 only; version 5.12 only; …

Published 2011-07-01. Last modified 2026-06-16.