CVE-2009-2471

The setTimeout function in Mozilla Firefox before 3.0.12 does not properly preserve object...

10.0 High

The setTimeout function in Mozilla Firefox before 3.0.12 does not properly preserve object wrapping, which allows remote attackers to execute arbitrary JavaScript with chrome privileges via a crafted call, related to XPCNativeWrapper.

Exploit likelihood

3.73%Unchanged since Feb 4, 2022

What each source reports

NVD Score used 10.0

Record: CVE-2009-2471
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Updated: 2026-11-02

CVE List No score

Record: CVE-2009-2471
Updated: 2026-11-02

EUVDEUVD-2009-2466 No score

Record: EUVD-2009-2466
Updated: 2026-11-03

GitHub AdvisoriesGHSA-pcxm-q3h4-prrq No score

The setTimeout function in Mozilla Firefox before 3.0.12 does not properly preserve object...

Record: GHSA-pcxm-q3h4-prrq
Updated: 2026-11-02

Affected products

mozilla firefox

Affected packages

Affected packages
Package	Affected	Fixed
`xulrunner` Debian:5.0 From an advisory covering 9 CVEs	before 1.9.0.12-0lenny1, plus listed versions 1.9.0.10-11.9.0.11-0lenny11.9.0.11-11.9.0.5-11.9.0.6-1 Show 6 moreShow less 1.9.0.7-0lenny11.9.0.7-0lenny21.9.0.7-11.9.0.8-11.9.0.9-0lenny21.9.0.9-1	1.9.0.12-0lenny1
`firefox` Red Hat:enterprise_linux:4::as From an advisory covering 11 CVEs	before 0:3.0.12-1.el4	0:3.0.12-1.el4
`firefox-debuginfo` Red Hat:enterprise_linux:4::as From an advisory covering 11 CVEs	before 0:3.0.12-1.el4	0:3.0.12-1.el4
`firefox` Red Hat:enterprise_linux:4::desktop From an advisory covering 11 CVEs	before 0:3.0.12-1.el4	0:3.0.12-1.el4
`firefox-debuginfo` Red Hat:enterprise_linux:4::desktop From an advisory covering 11 CVEs	before 0:3.0.12-1.el4	0:3.0.12-1.el4
`firefox` Red Hat:enterprise_linux:4::es From an advisory covering 11 CVEs	before 0:3.0.12-1.el4	0:3.0.12-1.el4
`firefox-debuginfo` Red Hat:enterprise_linux:4::es From an advisory covering 11 CVEs	before 0:3.0.12-1.el4	0:3.0.12-1.el4
`firefox` Red Hat:enterprise_linux:4::ws From an advisory covering 11 CVEs	before 0:3.0.12-1.el4	0:3.0.12-1.el4
`firefox-debuginfo` Red Hat:enterprise_linux:4::ws From an advisory covering 11 CVEs	before 0:3.0.12-1.el4	0:3.0.12-1.el4
`xulrunner` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs	before 0:1.9.0.12-1.el5_3	0:1.9.0.12-1.el5_3

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Affected packages
Package	Affected	Fixed
`xulrunner-debuginfo` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs	before 0:1.9.0.12-1.el5_3	0:1.9.0.12-1.el5_3
`xulrunner-devel` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs	before 0:1.9.0.12-1.el5_3	0:1.9.0.12-1.el5_3
`xulrunner-devel-unstable` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 11 CVEs	before 0:1.9.0.12-1.el5_3	0:1.9.0.12-1.el5_3
`firefox` Red Hat:enterprise_linux:5::client From an advisory covering 11 CVEs	before 0:3.0.12-1.el5_3	0:3.0.12-1.el5_3
`firefox-debuginfo` Red Hat:enterprise_linux:5::client From an advisory covering 11 CVEs	before 0:3.0.12-1.el5_3	0:3.0.12-1.el5_3
`xulrunner` Red Hat:enterprise_linux:5::client From an advisory covering 11 CVEs	before 0:1.9.0.12-1.el5_3	0:1.9.0.12-1.el5_3
`xulrunner-debuginfo` Red Hat:enterprise_linux:5::client From an advisory covering 11 CVEs	before 0:1.9.0.12-1.el5_3	0:1.9.0.12-1.el5_3
`firefox` Red Hat:enterprise_linux:5::server From an advisory covering 11 CVEs	before 0:3.0.12-1.el5_3	0:3.0.12-1.el5_3
`firefox-debuginfo` Red Hat:enterprise_linux:5::server From an advisory covering 11 CVEs	before 0:3.0.12-1.el5_3	0:3.0.12-1.el5_3
`xulrunner` Red Hat:enterprise_linux:5::server From an advisory covering 11 CVEs	before 0:1.9.0.12-1.el5_3	0:1.9.0.12-1.el5_3
`xulrunner-debuginfo` Red Hat:enterprise_linux:5::server From an advisory covering 11 CVEs	before 0:1.9.0.12-1.el5_3	0:1.9.0.12-1.el5_3
`xulrunner-devel` Red Hat:enterprise_linux:5::server From an advisory covering 11 CVEs	before 0:1.9.0.12-1.el5_3	0:1.9.0.12-1.el5_3
`xulrunner-devel-unstable` Red Hat:enterprise_linux:5::server From an advisory covering 11 CVEs	before 0:1.9.0.12-1.el5_3	0:1.9.0.12-1.el5_3

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-2471 is a high vulnerability (CVSS 10.0) in Mozilla Firefox, published July 22, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.73%, the 89th percentile. No source names a fixed version.

References

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