CVE-2009-2540: Opera Browser

Medium severity, CVSS 4.3. EPSS: 3.1% chance of exploitation in the next 30 days.

Opera, possibly 9.64 and earlier, allows remote attackers to cause a denial of service (memory consumption) via a large integer value for the length property of a Select object, a related issue to CVE-2009-1692.

Affected products

• Opera Opera Browser: up to and including 9.64

Published 2009-07-20. Last modified 2026-06-16.