Read the docs
TI-2012-03397 Aliases CVE-2012-3976GHSA-42j4-67r4-889f

Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, and SeaMonkey before 2.12 do…

Priority LOW 24CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Information disclosure
Confidentiality · integrity · availability
Partial · None · None
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.

Summary

Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, and SeaMonkey before 2.12 do not properly handle onLocationChange events during navigation between different https sites, which allows remote attackers to spoof the X.509 certificate information in the address bar via a crafted web page.

Why it matters now

EPSS 0.01779 78th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 21

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 15.0; 10.0 to before 10.0.7VulnerableMozilla
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*before 2.12VulnerableMozilla
cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*12.2VulnerableopenSUSE
cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:-:*:*:*10 sp4VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*11 sp2VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:*10 sp4VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:-:*:*11 sp2VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:*11 sp2VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp2:*:*:*:*:*:*11 sp2VulnerableSUSE
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 15.0; 10.0 to before 10.0.7 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* Versions before 2.12 Vulnerable ·Mozilla
  • cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* Versions 12.2 Vulnerable ·openSUSE
  • 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
  • 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
  • cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp2:*:*:*:*:*:* Versions 11 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
Show 11 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:6.3:*:*:*:*:*:*:*6.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:6.3:*:*:*:*:*:*:*6.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:*:*:*:*10.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*11.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*11.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:6.3:*:*:*:*:*:*:* Versions 6.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:6.3:*:*:*:*:*:*:* Versions 6.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • 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

Remediation

Red Hat 1 advisory

  • RHSA-2012:1210 Released 2012-08-29 · Red Hat rating Critical
    firefox security update
    • RHEL Desktop Workstation (v. 5 client) xulrunner-10.0.7-2.el5_8, xulrunner-devel-10.0.7-2.el5_8, xulrunner-devel-10.0.7-2.el5_8.i386
    • Red Hat Enterprise Linux (v. 5 server) firefox-10.0.7-1.el5_8, firefox-10.0.7-1.el5_8.i386, firefox-10.0.7-1.el5_8.ia64 +9
    • Red Hat Enterprise Linux Desktop (v. 5 client) firefox-10.0.7-1.el5_8, firefox-10.0.7-1.el5_8.i386, xulrunner-10.0.7-2.el5_8 +1
    • Red Hat Enterprise Linux Desktop (v. 6) firefox-10.0.7-1.el6_3, xulrunner-10.0.7-1.el6_3
    • Red Hat Enterprise Linux Desktop Optional (v. 6) xulrunner-10.0.7-1.el6_3, xulrunner-devel-10.0.7-1.el6_3
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-10.0.7-1.el6_3, xulrunner-10.0.7-1.el6_3, xulrunner-devel-10.0.7-1.el6_3
    • Red Hat Enterprise Linux Server (v. 6) firefox-10.0.7-1.el6_3, firefox-10.0.7-1.el6_3.ppc, xulrunner-10.0.7-1.el6_3 +1
    • Red Hat Enterprise Linux Server Optional (v. 6) xulrunner-10.0.7-1.el6_3, xulrunner-devel-10.0.7-1.el6_3, xulrunner-devel-10.0.7-1.el6_3.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) firefox-10.0.7-1.el6_3, xulrunner-10.0.7-1.el6_3
    • Red Hat Enterprise Linux Workstation Optional (v. 6) xulrunner-10.0.7-1.el6_3, xulrunner-devel-10.0.7-1.el6_3

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
RHEL Desktop Workstation (v. 5 client)Fixed RHSA-2012:1210
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2012:1210
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2012:1210
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2012:1210
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2012:1210
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2012:1210
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2012:1210
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2012:1210
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2012:1210
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2012:1210

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-3976
  2. 2026-10-03 Alias added: GHSA-42j4-67r4-889f

References

Advisory 10

Sources

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