CVE-2009-2471: The setTimeout function in Mozilla Firefox before 3.0.12 does not properly preserve object wrapping, which...

Security readout for executives and security teams

This is an old Firefox browser flaw where a malicious web page could make JavaScript run with elevated browser privileges. If a business still runs Firefox earlier than 3.0.12, especially on legacy kiosks or unmanaged desktops, the impact could be serious. Current exposure is likely limited to obsolete systems. Exposure is most likely on legacy systems still running Firefox before 3.0.12 or vendor packages predating the 2009 security updates. The provided affected-product metadata is incomplete, so confirm through browser and package inventory rather than relying on CPEs. Prioritize this only where obsolete Firefox is still present. For normal modern fleets, business urgency is low after confirming no affected legacy browsers remain. If found on exposed workstations or kiosks, remediate promptly because the impact is privileged browser JavaScript execution. Mitigation focus: Upgrade Firefox to 3.0.12 or later where this flaw was fixed.; Apply relevant Red Hat, Fedora, or SUSE security updates for packaged Firefox builds.; Remove obsolete Firefox versions from managed endpoints and kiosk images..

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.