CVE-2009-2540: Opera, possibly 9.64 and earlier, allows remote attackers to cause a denial of service (memory consumption)...

Security readout for executives and security teams

This is an old Opera browser denial-of-service issue. A malicious web page could make affected Opera versions consume excessive memory and crash or become unusable. The source bundle does not show data theft, code execution, or confirmed active exploitation. Exposure is likely limited to legacy systems still running old Opera versions, especially Opera 9.64 or earlier. The affected-product metadata is incomplete, so confirm by software inventory rather than assuming broad exposure. Treat this as a legacy-technology cleanup item unless old Opera is still used in business workflows. It does not justify emergency response from the provided evidence, but unsupported browsers create avoidable operational risk. Mitigation focus: Inventory endpoints for legacy Opera installations.; Remove or upgrade unsupported Opera versions.; Check Opera or vendor guidance for historical fixed versions..

Prepared

Jun 28, 2026, 10:26 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.