CVE-2009-3383

Multiple unspecified vulnerabilities in the JavaScript engine in Mozilla Firefox 3.5.x before 3.5...

10.0 High

Multiple unspecified vulnerabilities in the JavaScript engine in Mozilla Firefox 3.5.x before 3.5.4 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Exploit likelihood

4.34%Down 0.8 points since Feb 4, 2022

What each source reports

NVD Score used 10.0

Record: CVE-2009-3383
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-2009-3383
Updated: 2026-11-02

EUVDEUVD-2009-3365 No score

Record: EUVD-2009-3365
Updated: 2026-11-03

GitHub AdvisoriesGHSA-g4p9-28wh-x3gp No score

Multiple unspecified vulnerabilities in the JavaScript engine in Mozilla Firefox 3.5.x before 3.5...

Record: GHSA-g4p9-28wh-x3gp
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10071-1 No score

MozillaFirefox-50.1.0-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-50.1.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10071-1
Updated: 2026-11-02

Affected products

mozilla firefox

Affected packages

Affected packages
Package	Affected	Fixed
`MozillaFirefox` openSUSE:Tumbleweed From an advisory covering 899 CVEs	before 50.1.0-1.1	50.1.0-1.1

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-2009-3383 is a high vulnerability (CVSS 10.0) in Mozilla Firefox, published October 29, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.34%, the 91st percentile. No source names a fixed version.

References

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