CVE-2001-1491: Opera Software Opera Web Browser

Medium severity, CVSS 5.0. EPSS: 7% chance of exploitation in the next 30 days.

Opera 5.11 allows remote attackers to cause a denial of service (CPU consumption and memory leak) via a web page with a large number of images.

Affected products

• Opera Software Opera Web Browser: version 5.1.1 only

Published 2001-12-31. Last modified 2026-06-16.