CVE-2010-1993: Opera Browser

Medium severity, CVSS 5.0. EPSS: 2.3% chance of exploitation in the next 30 days.

Opera 9.52 does not properly handle an IFRAME element with a mailto: URL in its SRC attribute, which allows remote attackers to cause a denial of service (resource consumption) via an HTML document with many IFRAME elements.

Affected products

• Opera Opera Browser: version 9.52 only

Published 2010-05-20. Last modified 2026-06-16.