Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before…
Priority MEDIUM 47Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0 through 9.0, and SeaMonkey before 2.7 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
Why it matters now
EPSS 0.04539 91st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 4 advisories
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 · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | before 3.6.26; 4.0 to before 10.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* | before 2.7 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | before 3.1.18; 5.0 to before 10.0 | Vulnerable | Mozilla |
| cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Debian |
| cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* | 11.4 | Vulnerable | openSUSE |
| cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:*:*:*:* | 10 sp4 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:* | 11 sp1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:* | 10 sp4 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:*:*:* | 11 sp1 | Vulnerable | SUSE |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 3.6.26; 4.0 to before 10.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* Versions before 2.7 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 3.1.18; 5.0 to before 10.0 Vulnerable ·Mozilla
- cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Debian
- cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 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:sp1:*:*:*:*:*:* Versions 11 sp1 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:sp1:*:*:*:*:*:* Versions 11 sp1 Vulnerable ·SUSE
Show 3 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:vmware:*:* | 11 sp1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:* | 10 sp4 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp1:*:*:*:*:*:* | 11 sp1 | Vulnerable | SUSE |
- cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:vmware:*:* Versions 11 sp1 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:sp1:*:*:*:*:*:* Versions 11 sp1 Vulnerable ·SUSE
Remediation
Red Hat 4 advisories
- RHSA-2012:0085 Released 2012-02-01 · Red Hat rating Criticalthunderbird security update
- RHEL Optional Productivity Applications (v. 5 server) thunderbird-2.0.0.24-28.el5_7, thunderbird-2.0.0.24-28.el5_7.i386
- Red Hat Enterprise Linux AS version 4 thunderbird-1.5.0.12-46.el4, thunderbird-1.5.0.12-46.el4.i386, thunderbird-1.5.0.12-46.el4.ia64 +1
- Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-2.0.0.24-28.el5_7, thunderbird-2.0.0.24-28.el5_7.i386
- Red Hat Enterprise Linux Desktop version 4 thunderbird-1.5.0.12-46.el4, thunderbird-1.5.0.12-46.el4.i386
- Red Hat Enterprise Linux ES version 4 thunderbird-1.5.0.12-46.el4, thunderbird-1.5.0.12-46.el4.i386, thunderbird-1.5.0.12-46.el4.ia64
- Red Hat Enterprise Linux WS version 4 thunderbird-1.5.0.12-46.el4, thunderbird-1.5.0.12-46.el4.i386, thunderbird-1.5.0.12-46.el4.ia64
- RHSA-2012:0084 Released 2012-02-01 · Red Hat rating Criticalseamonkey security update
- Red Hat Enterprise Linux AS version 4 seamonkey-1.0.9-78.el4, seamonkey-1.0.9-78.el4.i386, seamonkey-1.0.9-78.el4.ia64 +21
- Red Hat Enterprise Linux Desktop version 4 seamonkey-1.0.9-78.el4, seamonkey-1.0.9-78.el4.i386, seamonkey-chat-1.0.9-78.el4 +9
- Red Hat Enterprise Linux ES version 4 seamonkey-1.0.9-78.el4, seamonkey-1.0.9-78.el4.i386, seamonkey-1.0.9-78.el4.ia64 +15
- Red Hat Enterprise Linux WS version 4 seamonkey-1.0.9-78.el4, seamonkey-1.0.9-78.el4.i386, seamonkey-1.0.9-78.el4.ia64 +15
- RHSA-2012:0079 Released 2012-02-01 · Red Hat rating Criticalfirefox security update
- RHEL Desktop Workstation (v. 5 client) xulrunner-1.9.2.26-1.el5_7, xulrunner-devel-1.9.2.26-1.el5_7, xulrunner-devel-1.9.2.26-1.el5_7.i386
- Red Hat Enterprise Linux (v. 5 server) firefox-3.6.26-1.el5_7, firefox-3.6.26-1.el5_7.i386, firefox-3.6.26-1.el5_7.ia64 +9
- Red Hat Enterprise Linux AS version 4 firefox-3.6.26-2.el4, firefox-3.6.26-2.el4.i386, firefox-3.6.26-2.el4.ia64 +1
- Red Hat Enterprise Linux Desktop (v. 5 client) firefox-3.6.26-1.el5_7, firefox-3.6.26-1.el5_7.i386, xulrunner-1.9.2.26-1.el5_7 +1
- Red Hat Enterprise Linux Desktop (v. 6) firefox-3.6.26-1.el6_2, xulrunner-1.9.2.26-1.el6_2
- Red Hat Enterprise Linux Desktop Optional (v. 6) xulrunner-1.9.2.26-1.el6_2, xulrunner-devel-1.9.2.26-1.el6_2
- Red Hat Enterprise Linux Desktop version 4 firefox-3.6.26-2.el4, firefox-3.6.26-2.el4.i386
- Red Hat Enterprise Linux ES version 4 firefox-3.6.26-2.el4, firefox-3.6.26-2.el4.i386, firefox-3.6.26-2.el4.ia64
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-3.6.26-1.el6_2, xulrunner-1.9.2.26-1.el6_2, xulrunner-devel-1.9.2.26-1.el6_2
- Red Hat Enterprise Linux Server (v. 6) firefox-3.6.26-1.el6_2, firefox-3.6.26-1.el6_2.ppc, xulrunner-1.9.2.26-1.el6_2 +1
- Red Hat Enterprise Linux Server Optional (v. 6) xulrunner-1.9.2.26-1.el6_2, xulrunner-devel-1.9.2.26-1.el6_2, xulrunner-devel-1.9.2.26-1.el6_2.ppc
- Red Hat Enterprise Linux WS version 4 firefox-3.6.26-2.el4, firefox-3.6.26-2.el4.i386, firefox-3.6.26-2.el4.ia64
- Red Hat Enterprise Linux Workstation (v. 6) firefox-3.6.26-1.el6_2, xulrunner-1.9.2.26-1.el6_2
- Red Hat Enterprise Linux Workstation Optional (v. 6) xulrunner-1.9.2.26-1.el6_2, xulrunner-devel-1.9.2.26-1.el6_2
Show 1 more Red Hat advisories
- RHSA-2012:0080 Released 2012-01-31 · Red Hat rating Criticalthunderbird security update
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-3.1.18-1.el6_2
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-3.1.18-1.el6_2
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-3.1.18-1.el6_2
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| RHEL Desktop Workstation (v. 5 client) | Fixed | RHSA-2012:0079 |
| RHEL Optional Productivity Applications (v. 5 server) | Fixed | RHSA-2012:0085 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2012:0079 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2012:0079, RHSA-2012:0084, RHSA-2012:0085 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2012:0079, RHSA-2012:0085 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2012:0079, RHSA-2012:0080 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2012:0079 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2012:0079, RHSA-2012:0084, RHSA-2012:0085 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2012:0079, RHSA-2012:0084, RHSA-2012:0085 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2012:0079 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2012:0079 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2012:0079, RHSA-2012:0080 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2012:0079, RHSA-2012:0084, RHSA-2012:0085 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2012:0079, RHSA-2012:0080 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2012:0079 |
Timeline
- 2026-10-02 Threatist record created from CVE-2012-0442
- 2026-10-03 Alias added: GHSA-mgq7-pc7j-7mm4
References
Sources
- CVE-2012-0442 · CVE Program
- CVE-2012-0442 · NVD
- FIRST EPSS
- GHSA-mgq7-pc7j-7mm4 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-0442 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences