CVE-2012-4193
Mozilla Firefox before 16.0.1, Firefox ESR 10.x before 10.0.9, Thunderbird before 16.0.1,...
Mozilla Firefox before 16.0.1, Firefox ESR 10.x before 10.0.9, Thunderbird before 16.0.1, Thunderbird ESR 10.x before 10.0.9, and SeaMonkey before 2.13.1 omit a security check in the defaultValue function during the unwrapping of security wrappers, which allows remote attackers to bypass the Same Origin Policy and read the properties of a Location object, or execute arbitrary JavaScript code, via a crafted web site.
Exploit likelihood
What each source reports
NVD Score used
Mozilla Firefox before 16.0.1, Firefox ESR 10.x before 10.0.9, Thunderbird before 16.0.1, Thunderbird ESR 10.x before 10.0.9, and SeaMonkey before 2.13.1 omit a security check in the defaultValue function during the unwrapping of security wrappers, which allows remote attackers to bypass the Same Origin Policy and read the properties of a Location object, or execute arbitrary JavaScript code, via a crafted web site.
- Record
CVE-2012-4193- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-346
- Updated
- 2026-11-02
CVE List No score
Mozilla Firefox before 16.0.1, Firefox ESR 10.x before 10.0.9, Thunderbird before 16.0.1, Thunderbird ESR 10.x before 10.0.9, and SeaMonkey before 2.13.1 omit a security check in the defaultValue function during the unwrapping of security wrappers, which allows remote attackers to bypass the Same Origin Policy and read the properties of a Location object, or execute arbitrary JavaScript code, via a crafted web site.
- Record
CVE-2012-4193- Updated
- 2026-11-02
EUVDEUVD-2012-4137 No score
Mozilla Firefox before 16.0.1, Firefox ESR 10.x before 10.0.9, Thunderbird before 16.0.1, Thunderbird ESR 10.x before 10.0.9, and SeaMonkey before 2.13.1 omit a security check in the defaultValue function during the unwrapping of security wrappers, which allows remote attackers to bypass the Same Origin Policy and read the properties of a Location object, or execute arbitrary JavaScript code, via a crafted web site.
- Record
EUVD-2012-4137- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-64fw-qfj6-6pc5 No score
Mozilla Firefox before 16.0.1, Firefox ESR 10.x before 10.0.9, Thunderbird before 16.0.1,...
Mozilla Firefox before 16.0.1, Firefox ESR 10.x before 10.0.9, Thunderbird before 16.0.1, Thunderbird ESR 10.x before 10.0.9, and SeaMonkey before 2.13.1 omit a security check in the defaultValue function during the unwrapping of security wrappers, which allows remote attackers to bypass the Same Origin Policy and read the properties of a Location object, or execute arbitrary JavaScript code, via a crafted web site.
- Record
GHSA-64fw-qfj6-6pc5- Weakness
- CWE-346
- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10071-1 No score
MozillaFirefox-50.1.0-1.1 on GA media
These are all security issues fixed in the MozillaFirefox-50.1.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10071-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10218-1 No score
seamonkey-2.40-6.1 on GA media
These are all security issues fixed in the seamonkey-2.40-6.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10218-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10230-1 No score
MozillaThunderbird-45.5.1-1.1 on GA media
These are all security issues fixed in the MozillaThunderbird-45.5.1-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10230-1- Updated
- 2026-11-02
Affected products
- mozilla firefox
- mozilla seamonkey
- mozilla thunderbird
- mozilla thunderbird esr
- canonical ubuntu linux
- redhat enterprise linux desktop
- redhat enterprise linux eus
- redhat enterprise linux server
- redhat enterprise linux workstation
- suse linux enterprise desktop
- suse linux enterprise server
- suse linux enterprise software development kit
Affected packages
| Package | Affected | Fixed |
|---|---|---|
xulrunnerRed Hat:enterprise_linux:5::client |
before 0:10.0.8-2.el5_8 | 0:10.0.8-2.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.8-2.el5_8 | 0:10.0.8-2.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.8-2.el5_8 | 0:10.0.8-2.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.8-2.el5_8 | 0:10.0.8-2.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.8-2.el5_8 | 0:10.0.8-2.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::server |
before 0:10.0.8-2.el5_8 | 0:10.0.8-2.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::server |
before 0:10.0.8-2.el5_8 | 0:10.0.8-2.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::server |
before 0:10.0.8-2.el5_8 | 0:10.0.8-2.el5_8 |
xulrunnerRed Hat:enterprise_linux:6::client |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
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| Package | Affected | Fixed |
|---|---|---|
xulrunner-develRed Hat:enterprise_linux:6::client |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::computenode |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::computenode |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::server |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::server |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::workstation |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::workstation |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
thunderbirdRed Hat:enterprise_linux:5::client |
before 0:10.0.8-2.el5_8 | 0:10.0.8-2.el5_8 |
thunderbird-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.8-2.el5_8 | 0:10.0.8-2.el5_8 |
thunderbirdRed Hat:rhel_productivity:5 |
before 0:10.0.8-2.el5_8 | 0:10.0.8-2.el5_8 |
thunderbird-debuginfoRed Hat:rhel_productivity:5 |
before 0:10.0.8-2.el5_8 | 0:10.0.8-2.el5_8 |
thunderbirdRed Hat:enterprise_linux:6::client |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
thunderbirdRed Hat:enterprise_linux:6::server |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
thunderbirdRed Hat:enterprise_linux:6::workstation |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.8-2.el6_3 | 0:10.0.8-2.el6_3 |
MozillaFirefoxopenSUSE:Tumbleweed |
before 50.1.0-1.1 | 50.1.0-1.1 |
MozillaThunderbirdopenSUSE:Tumbleweed |
before 45.5.1-1.1 | 45.5.1-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-4193 is a medium vulnerability (CVSS 6.8) in Mozilla Firefox, published October 12, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.16%, the 67th percentile. Fixed in xulrunner 0:10.0.8-2.el5_8.
References
mozilla.org/security/announce/2012/mfsa2012-89.html
secunia.com/advisories/50904
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16786
rhn.redhat.com/errata/RHSA-2012-1361.html
Show 194 moreShow less
exchange.xforce.ibmcloud.com/vulnerabilities/79211
lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html
bugzilla.mozilla.org/show_bug.cgi?id=720619
ubuntu.com/usn/USN-1611-1
nvd.nist.gov/vuln/detail/CVE-2012-4193
github.com/advisories/GHSA-64fw-qfj6-6pc5
access.redhat.com/errata/RHSA-2012:1361
bugzilla.redhat.com/show_bug.cgi?id=865215
security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_1361.json
cve.org/CVERecord?id=CVE-2012-4193
suse.com/security/cve/CVE-2008-5913
Left out here: 768 references. The JSON record has them.