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TI-2012-04870 Aliases CVE-2012-5830GHSA-8g8g-2rjp-3346

Use-after-free vulnerability in Mozilla Firefox before 17.0, Firefox ESR 10.x before…

Priority MEDIUM 45CWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

Use-after-free vulnerability in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 on Mac OS X allows remote attackers to execute arbitrary code via an HTML document.

Why it matters now

EPSS 0.03814 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories

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 · 27

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 17.0; 10.0 to before 10.0.11VulnerableMozilla
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*before 2.14VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 17.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:*10.0 to before 10.0.11VulnerableMozilla
cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
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:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 17.0; 10.0 to before 10.0.11 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* Versions before 2.14 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 17.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:* Versions 10.0 to before 10.0.11 Vulnerable ·Mozilla
  • cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
  • cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • 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
Show 17 more CPE
CPEVersionsRoleVendor
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:a:suse:suse_linux_enterprise_software_development_kit:11.0:sp2:*:*:*:*:*:*11.0 sp2VulnerableSUSE
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*10.04VulnerableCanonical
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:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*12.10VulnerableCanonical
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*11.4VulnerableopenSUSE
cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:*12.1VulnerableopenSUSE
cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*12.2VulnerableopenSUSE
cpe:2.3:o:suse:suse_linux_enterprise_desktop:10:sp4:*:*:*:*:*:*10 sp4VulnerableSUSE
cpe:2.3:o:suse:suse_linux_enterprise_desktop:11:sp2:*:*:*:*:*:*11 sp2VulnerableSUSE
cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp4:*:*:*:*:*:*10 sp4VulnerableSUSE
cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:*:*:*:*11 sp2VulnerableSUSE
cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:*:-:*:*11 sp2VulnerableSUSE
cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:*:vmware:*:*11 sp2VulnerableSUSE
  • 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:a:suse:suse_linux_enterprise_software_development_kit:11.0:sp2:*:*:*:*:*:* Versions 11.0 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* Versions 10.04 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:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* Versions 12.10 Vulnerable ·Canonical
  • cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:* Versions 12.1 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* Versions 12.2 Vulnerable ·openSUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_desktop:10:sp4:*:*:*:*:*:* Versions 10 sp4 Vulnerable ·SUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_desktop:11:sp2:*:*:*:*:*:* Versions 11 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_server:10:sp4:*:*:*:*:*:* Versions 10 sp4 Vulnerable ·SUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:*:*:*:* Versions 11 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:*:-:*:* Versions 11 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp2:*:*:*:vmware:*:* Versions 11 sp2 Vulnerable ·SUSE

Remediation

Red Hat 2 advisories

  • RHSA-2012:1482 Released 2012-11-20 · Red Hat rating Critical
    firefox security update
    • RHEL Desktop Workstation (v. 5 client) xulrunner-10.0.11-1.el5_8, xulrunner-devel-10.0.11-1.el5_8, xulrunner-devel-10.0.11-1.el5_8.i386
    • Red Hat Enterprise Linux (v. 5 server) firefox-10.0.11-1.el5_8, firefox-10.0.11-1.el5_8.i386, firefox-10.0.11-1.el5_8.ia64 +9
    • Red Hat Enterprise Linux Desktop (v. 5 client) firefox-10.0.11-1.el5_8, firefox-10.0.11-1.el5_8.i386, xulrunner-10.0.11-1.el5_8 +1
    • Red Hat Enterprise Linux Desktop (v. 6) firefox-10.0.11-1.el6_3, xulrunner-10.0.11-1.el6_3
    • Red Hat Enterprise Linux Desktop Optional (v. 6) xulrunner-10.0.11-1.el6_3, xulrunner-devel-10.0.11-1.el6_3
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-10.0.11-1.el6_3, xulrunner-10.0.11-1.el6_3, xulrunner-devel-10.0.11-1.el6_3
    • Red Hat Enterprise Linux Server (v. 6) firefox-10.0.11-1.el6_3, firefox-10.0.11-1.el6_3.ppc, xulrunner-10.0.11-1.el6_3 +1
    • Red Hat Enterprise Linux Server Optional (v. 6) xulrunner-10.0.11-1.el6_3, xulrunner-devel-10.0.11-1.el6_3, xulrunner-devel-10.0.11-1.el6_3.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) firefox-10.0.11-1.el6_3, xulrunner-10.0.11-1.el6_3
    • Red Hat Enterprise Linux Workstation Optional (v. 6) xulrunner-10.0.11-1.el6_3, xulrunner-devel-10.0.11-1.el6_3
  • RHSA-2012:1483 Released 2012-11-20 · Red Hat rating Critical
    thunderbird security update
    • RHEL Optional Productivity Applications (v. 5 server) thunderbird-10.0.11-1.el5_8, thunderbird-10.0.11-1.el5_8.i386
    • Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-10.0.11-1.el5_8, thunderbird-10.0.11-1.el5_8.i386
    • Red Hat Enterprise Linux Desktop (v. 6) thunderbird-10.0.11-1.el6_3
    • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-10.0.11-1.el6_3
    • Red Hat Enterprise Linux Workstation (v. 6) thunderbird-10.0.11-1.el6_3

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
RHEL Desktop Workstation (v. 5 client)Fixed RHSA-2012:1482
RHEL Optional Productivity Applications (v. 5 server)Fixed RHSA-2012:1483
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2012:1482
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2012:1482, RHSA-2012:1483
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2012:1482, RHSA-2012:1483
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2012:1482
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2012:1482
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2012:1482
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2012:1482, RHSA-2012:1483
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2012:1482, RHSA-2012:1483
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2012:1482

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-5830
  2. 2026-10-03 Alias added: GHSA-8g8g-2rjp-3346
  3. 2026-10-23 EPSS moved to the 90th–95th percentile
  4. 2026-10-25 EPSS moved to the 50th–90th percentile
  5. 2026-10-28 EPSS moved to the 90th–95th percentile

References

Exploit 1

Advisory 12

Other 1

Sources

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