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Vulnerability record · CVE-2012-3986 · published 10 October 2012

CVE-2012-3986: Mozilla firefox improper input validation vulnerability

Mozilla · Firefox

Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 do not properly restrict calls to DOMWindowUtils (aka nsDOMWindowUtils) methods, which allows remote attackers to bypass intended access restrictions via crafted JavaScript code.

4.3 CVSS 2.0 Medium EPSS 2.5% · top 15.8% CWE-20 · Improper input validation
4.3CVSS 2.0 base score
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
38References
16 Jun 2026Last modified by NVD

Description

Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 do not properly restrict calls to DOMWindowUtils (aka nsDOMWindowUtils) methods, which allows remote attackers to bypass intended access restrictions via crafted JavaScript code.

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-1351.html Third Party Advisory
http://secunia.com/advisories/50856 Third Party Advisory
http://secunia.com/advisories/50892 Third Party Advisory
http://secunia.com/advisories/50904 Third Party Advisory
http://secunia.com/advisories/50935 Third Party Advisory
http://secunia.com/advisories/50936 Third Party Advisory
http://secunia.com/advisories/50984 Third Party Advisory
http://secunia.com/advisories/51181 Third Party Advisory
http://secunia.com/advisories/55318 Third Party Advisory
http://www.debian.org/security/2012/dsa-2565 Third Party Advisory
http://www.debian.org/security/2012/dsa-2569 Third Party Advisory
http://www.debian.org/security/2012/dsa-2572 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:163 Third Party Advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-77.html Vendor Advisory
http://www.securityfocus.com/bid/55922 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-1611-1 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=775868 Issue TrackingVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16834 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-1351.html Third Party Advisory
http://secunia.com/advisories/50856 Third Party Advisory
http://secunia.com/advisories/50892 Third Party Advisory
http://secunia.com/advisories/50904 Third Party Advisory
http://secunia.com/advisories/50935 Third Party Advisory
http://secunia.com/advisories/50936 Third Party Advisory
http://secunia.com/advisories/50984 Third Party Advisory
http://secunia.com/advisories/51181 Third Party Advisory
http://secunia.com/advisories/55318 Third Party Advisory
http://www.debian.org/security/2012/dsa-2565 Third Party Advisory
http://www.debian.org/security/2012/dsa-2569 Third Party Advisory
http://www.debian.org/security/2012/dsa-2572 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:163 Third Party Advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-77.html Vendor Advisory
http://www.securityfocus.com/bid/55922 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-1611-1 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=775868 Issue TrackingVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16834 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2012-3986), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.