Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0…
Priority MEDIUM 49CWE-119Published · 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
- Partial Red Hat: 14 fixed, 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
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 a malformed XSLT stylesheet that is embedded in a document.
Why it matters now
EPSS 0.05735 93rd percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 14 fixed, 1 without a fix
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 2 advisories
- 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
- 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 |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix yet |
| RHEL Desktop Workstation (v. 5 client) | Fixed | RHSA-2012:0079 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2012:0079 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2012:0079 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2012:0079 |
| 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 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2012:0079 |
| 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 |
| 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-2012-0449
- 2026-10-03 Alias added: GHSA-h78f-qgpj-g2jh
References
Sources
- CVE-2012-0449 · CVE Program
- CVE-2012-0449 · NVD
- FIRST EPSS
- GHSA-h78f-qgpj-g2jh · GitHub Advisory Database · CC BY 4.0
- CVE-2012-0449 · Red Hat security data · CC BY 4.0
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