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TI-2012-04869 Aliases CVE-2012-5829GHSA-5h6m-6wc7-jxv6

Heap-based buffer overflow in the nsWindow::OnExposeEvent function in Mozilla Firefox…

Priority MEDIUM 51CWE-787Published · Updated

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
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

Heap-based buffer overflow in the nsWindow::OnExposeEvent function 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 allows remote attackers to execute arbitrary code via unspecified vectors.

Why it matters now

EPSS 0.08439 95th 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: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: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: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: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: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 17 more CPE
CPEVersionsRoleVendor
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:10:sp4:*:*:*:*:*:*10 sp4VulnerableSUSE
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: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_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:11.10:*:*:*:*:*:*:*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:debian:debian_linux:6.0:*:*:*:*:*:*:*6.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
  • 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:10:sp4:*:*:*:*:*:* Versions 10 sp4 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
  • 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_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:11.10:*:*:*:*:*:*:* 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:debian:debian_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian

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-2012-5829
  2. 2026-10-03 Alias added: GHSA-5h6m-6wc7-jxv6
  3. 2026-10-24 EPSS moved to the 95th–99th percentile
  4. 2026-10-25 EPSS moved to the 90th–95th percentile
  5. 2026-10-31 EPSS moved to the 95th–99th percentile

References

Exploit 1

Advisory 24

Other 2

Sources

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