CVE-2012-3965
Mozilla Firefox before 15.0 does not properly restrict navigation to the about:newtab page, which...
CVE-2012-3965 is a high vulnerability (CVSS 9.3) in Mozilla Firefox, published August 29, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.42%, the 84th percentile. Fixed in MozillaFirefox 50.1.0-1.1.
Mozilla Firefox before 15.0 does not properly restrict navigation to the about:newtab page, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site that triggers creation of a new tab and then a new window.
Exploit likelihood
What each source reports
NVD Score used
Mozilla Firefox before 15.0 does not properly restrict navigation to the about:newtab page, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site that triggers creation of a new tab and then a new window.
- Record
CVE-2012-3965- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
Mozilla Firefox before 15.0 does not properly restrict navigation to the about:newtab page, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site that triggers creation of a new tab and then a new window.
- Record
CVE-2012-3965- Updated
- 2026-11-02
EUVDEUVD-2012-3909 No score
Mozilla Firefox before 15.0 does not properly restrict navigation to the about:newtab page, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site that triggers creation of a new tab and then a new window.
- Record
EUVD-2012-3909- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c6rc-75fx-qjhm No score
Mozilla Firefox before 15.0 does not properly restrict navigation to the about:newtab page, which...
Mozilla Firefox before 15.0 does not properly restrict navigation to the about:newtab page, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site that triggers creation of a new tab and then a new window.
- Record
GHSA-c6rc-75fx-qjhm- 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-2024:14572-1 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 |
|---|---|---|
MozillaFirefoxopenSUSE:Tumbleweed |
before 50.1.0-1.1 | 50.1.0-1.1 |
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
bugzilla.mozilla.org/show_bug.cgi?id=769108
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16442
ubuntu.com/usn/USN-1548-1
lists.opensuse.org/opensuse-security-announce/2012-09/msg00014.html
Show 194 moreShow less
mozilla.org/security/announce/2012/mfsa2012-60.html
nvd.nist.gov/vuln/detail/CVE-2012-3965
github.com/advisories/GHSA-c6rc-75fx-qjhm
suse.com/security/cve/CVE-2008-5913
Left out here: 1,865 references. The JSON record has them.