CVE-2012-5841
Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0,...
4.3 MediumFix available
CVE-2012-5841 is a medium vulnerability (CVSS 4.3) in Mozilla Firefox, published November 21, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.93%, the 79th percentile. Fixed in firefox 0:10.0.11-1.el5_8.
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 implement cross-origin wrappers with a filtering behavior that does not properly restrict write actions, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
Exploit likelihood
1.93%Down 2.0 points since Feb 4, 2022
What each source reports
NVD Score used
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 implement cross-origin wrappers with a filtering behavior that does not properly restrict write actions, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
- Record
CVE-2012-5841- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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 implement cross-origin wrappers with a filtering behavior that does not properly restrict write actions, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
- Record
CVE-2012-5841- Updated
- 2026-11-02
EUVDEUVD-2012-5719 No score
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 implement cross-origin wrappers with a filtering behavior that does not properly restrict write actions, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
- Record
EUVD-2012-5719- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gw44-5pc8-vhfq No score
Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0,...
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 implement cross-origin wrappers with a filtering behavior that does not properly restrict write actions, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
- Record
GHSA-gw44-5pc8-vhfq- Weakness
- CWE-79
- 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
OSVopenSUSE-SU-2024:14572-1 No score
firefox-esr-128.5.1-1.1 on GA media
These are all security issues fixed in the firefox-esr-128.5.1-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:14572-1- Updated
- 2026-11-02
Affected products
- mozilla firefox
- mozilla seamonkey
- mozilla thunderbird
- mozilla thunderbird esr
- canonical ubuntu linux
- opensuse
- redhat enterprise linux desktop
- redhat enterprise linux eus
- redhat enterprise linux server
- redhat enterprise linux workstation
- suse linux enterprise desktop
- suse linux enterprise server
Show 1 moreShow less
Affected packages
| Package | Affected | Fixed |
|---|---|---|
firefoxRed Hat:enterprise_linux:5::client |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
firefox-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
firefoxRed Hat:enterprise_linux:5::server |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
firefox-debuginfoRed Hat:enterprise_linux:5::server |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::server |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
Show 35 moreShow less
| Package | Affected | Fixed |
|---|---|---|
xulrunner-debuginfoRed Hat:enterprise_linux:5::server |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::server |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
firefoxRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::computenode |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::computenode |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::computenode |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefoxRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
firefox-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunnerRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
xulrunner-develRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
thunderbirdRed Hat:enterprise_linux:5::client |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
thunderbird-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
thunderbirdRed Hat:rhel_productivity:5 |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
thunderbird-debuginfoRed Hat:rhel_productivity:5 |
before 0:10.0.11-1.el5_8 | 0:10.0.11-1.el5_8 |
thunderbirdRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
thunderbirdRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
thunderbirdRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.el6_3 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.11-1.el6_3 | 0:10.0.11-1.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 |
firefox-esropenSUSE:Tumbleweed |
before 128.5.1-1.1 | 128.5.1-1.1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
ubuntu.com/usn/USN-1638-3
secunia.com/advisories/51370
lists.opensuse.org/opensuse-updates/2012-11/msg00093.html
osvdb.org/87588
Show 194 moreShow less
rhn.redhat.com/errata/RHSA-2012-1483.html
securityfocus.com/bid/56631
bugzilla.mozilla.org/show_bug.cgi?id=805807
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16590
mandriva.com/security/advisories?name=MDVSA-2012:173
exchange.xforce.ibmcloud.com/vulnerabilities/80178
mozilla.org/security/announce/2012/mfsa2012-100.html
nvd.nist.gov/vuln/detail/CVE-2012-5841
github.com/advisories/GHSA-gw44-5pc8-vhfq
access.redhat.com/errata/RHSA-2012:1482
bugzilla.redhat.com/show_bug.cgi?id=877614
security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_1482.json
cve.org/CVERecord?id=CVE-2012-4201
suse.com/security/cve/CVE-2008-5913
This page doesn't list everything
Left out here: 1,997 references. The JSON record has them.