TI-2012-03409 Aliases CVE-2012-3989 GHSA-g6fr-f3gf-jvqr

Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not…

MEDIUM 46CWE-119Published 2012-10-10 · Updated 2024-08-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Medium
Impact type: Code execution
Confidentiality · integrity · availability: Complete · Complete · Complete
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly perform a cast of an unspecified variable during use of the instanceof operator on a JavaScript object, which allows remote attackers to execute arbitrary code or cause a denial of service (assertion failure) via a crafted web site.

Why it matters now

EPSS 0.03464 89th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox::::::::	before 16.0	Vulnerable	Mozilla
cpe:2.3:a:mozilla:seamonkey::::::::	before 2.13	Vulnerable	Mozilla
cpe:2.3:a:mozilla:thunderbird::::::::	before 16.0	Vulnerable	Mozilla
cpe:2.3:o:canonical:ubuntu_linux:10.04:::::::*	10.04	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:11.04:::::::*	11.04	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:11.10:::::::*	11.10	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:12.04::::esm:::	12.04	Vulnerable	Canonical
cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:::-:::*	10 sp4	Vulnerable	SUSE
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2::::::	11 sp2	Vulnerable	SUSE
cpe:2.3:o:suse:linux_enterprise_server:10:sp4:::-:::*	10 sp4	Vulnerable	SUSE

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 16.0 Vulnerable ·Mozilla
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* Versions before 2.13 Vulnerable ·Mozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 16.0 Vulnerable ·Mozilla
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:*:*:*:* Versions 10.04 Vulnerable ·Canonical
cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* Versions 11.04 Vulnerable ·Canonical
cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* Versions 11.10 Vulnerable ·Canonical
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:-:*:*:* Versions 10 sp4 Vulnerable ·SUSE
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:* Versions 11 sp2 Vulnerable ·SUSE
cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:* Versions 10 sp4 Vulnerable ·SUSE

Show 2 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:o:suse:linux_enterprise_server:11:sp2::::-::*	11 sp2	Vulnerable	SUSE
cpe:2.3:o:suse:linux_enterprise_server:11:sp2::::vmware::*	11 sp2	Vulnerable	SUSE

cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:-:*:* Versions 11 sp2 Vulnerable ·SUSE
cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:* Versions 11 sp2 Vulnerable ·SUSE

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Critical. Red Hat's page for this CVE →

Not affected: 2 products

Red Hat Enterprise Linux 5
Red Hat Enterprise Linux 6

Timeline

2026-10-02 Threatist record created from CVE-2012-3989
2026-10-03 Alias added: GHSA-g6fr-f3gf-jvqr

References

Advisory 5

Other 1

86097

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences