CVE-2012-0459
The Cascading Style Sheets (CSS) implementation in Mozilla Firefox 4.x through 10.0, Firefox ESR...
7.5 HighFix available
CVE-2012-0459 is a high vulnerability (CVSS 7.5) in Mozilla Firefox, published March 14, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.82%, the 90th percentile. Fixed in firefox 0:10.0.3-1.el5_8.
The Cascading Style Sheets (CSS) implementation in Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via dynamic modification of a keyframe followed by access to the cssText of the keyframe.
Exploit likelihood
3.82%Down 4.4 points since Feb 4, 2022
What each source reports
NVD Score used
The Cascading Style Sheets (CSS) implementation in Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via dynamic modification of a keyframe followed by access to the cssText of the keyframe.
- Record
CVE-2012-0459- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
The Cascading Style Sheets (CSS) implementation in Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via dynamic modification of a keyframe followed by access to the cssText of the keyframe.
- Record
CVE-2012-0459- Updated
- 2026-11-02
EUVDEUVD-2012-0491 No score
The Cascading Style Sheets (CSS) implementation in Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via dynamic modification of a keyframe followed by access to the cssText of the keyframe.
- Record
EUVD-2012-0491- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fvwj-74w8-g42q No score
The Cascading Style Sheets (CSS) implementation in Mozilla Firefox 4.x through 10.0, Firefox ESR...
The Cascading Style Sheets (CSS) implementation in Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via dynamic modification of a keyframe followed by access to the cssText of the keyframe.
- Record
GHSA-fvwj-74w8-g42q- 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
Affected packages
| Package | Affected | Fixed |
|---|---|---|
firefoxRed Hat:enterprise_linux:5::client |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
firefox-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
xulrunner-debuginfoRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::client_workstation |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
firefoxRed Hat:enterprise_linux:5::server |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
firefox-debuginfoRed Hat:enterprise_linux:5::server |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
xulrunnerRed Hat:enterprise_linux:5::server |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
Show 35 moreShow less
| Package | Affected | Fixed |
|---|---|---|
xulrunner-debuginfoRed Hat:enterprise_linux:5::server |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
xulrunner-develRed Hat:enterprise_linux:5::server |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
firefoxRed Hat:enterprise_linux:6::client |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
firefox-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
xulrunnerRed Hat:enterprise_linux:6::client |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
xulrunner-develRed Hat:enterprise_linux:6::client |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
firefoxRed Hat:enterprise_linux:6::computenode |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
firefox-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
xulrunnerRed Hat:enterprise_linux:6::computenode |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
xulrunner-develRed Hat:enterprise_linux:6::computenode |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
firefoxRed Hat:enterprise_linux:6::server |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
firefox-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
xulrunnerRed Hat:enterprise_linux:6::server |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
xulrunner-develRed Hat:enterprise_linux:6::server |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
firefoxRed Hat:enterprise_linux:6::workstation |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
firefox-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
xulrunnerRed Hat:enterprise_linux:6::workstation |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
xulrunner-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
xulrunner-develRed Hat:enterprise_linux:6::workstation |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
thunderbirdRed Hat:enterprise_linux:5::client |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
thunderbird-debuginfoRed Hat:enterprise_linux:5::client |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
thunderbirdRed Hat:rhel_productivity:5 |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
thunderbird-debuginfoRed Hat:rhel_productivity:5 |
before 0:10.0.3-1.el5_8 | 0:10.0.3-1.el5_8 |
thunderbirdRed Hat:enterprise_linux:6::client |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::client |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
thunderbirdRed Hat:enterprise_linux:6::server |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::server |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
thunderbirdRed Hat:enterprise_linux:6::workstation |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
thunderbird-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:10.0.3-1.el6_2 | 0:10.0.3-1.el6_2 |
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
lists.opensuse.org/opensuse-updates/2012-03/msg00042.html
secunia.com/advisories/48402
ubuntu.com/usn/USN-1400-5
Show 194 moreShow less
bugzilla.mozilla.org/show_bug.cgi?id=723446
rhn.redhat.com/errata/RHSA-2012-0387.html
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15066
mozilla.org/security/announce/2012/mfsa2012-17.html
mandriva.com/security/advisories?name=MDVSA-2012:032
securitytracker.com/id?1026803
nvd.nist.gov/vuln/detail/CVE-2012-0459
github.com/advisories/GHSA-fvwj-74w8-g42q
access.redhat.com/errata/RHSA-2012:0387
bugzilla.redhat.com/show_bug.cgi?id=729632
security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_0387.json
cve.org/CVERecord?id=CVE-2012-0451
suse.com/security/cve/CVE-2008-5913
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