CVE-2012-1961
Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 do not properly handle duplicate values in X-Frame-Options headers, which makes it easier for remote attackers to conduct clickjacking attacks via a FRAME element referencing a web site that produces these duplicate values.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Weakness (CWE)
- CWE-20
- EPSS score
- 2.1% (82th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-1970)
- Published
- July 18, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-1970 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
- mozilla / seamonkey
and 77 more…
References
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00012.html
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00016.html
- http://osvdb.org/84003
- http://rhn.redhat.com/errata/RHSA-2012-1088.html
- http://secunia.com/advisories/49965
- http://secunia.com/advisories/49968
- http://secunia.com/advisories/49972
- http://secunia.com/advisories/49977
- http://secunia.com/advisories/49979
- http://secunia.com/advisories/49992
- http://secunia.com/advisories/49993
- http://secunia.com/advisories/49994
- http://www.mozilla.org/security/announce/2012/mfsa2012-51.html(Vendor Advisory)
- http://www.securityfocus.com/bid/54584
- http://www.securitytracker.com/id?1027256
- http://www.securitytracker.com/id?1027257
- http://www.securitytracker.com/id?1027258
- http://www.ubuntu.com/usn/USN-1509-1
- http://www.ubuntu.com/usn/USN-1509-2
- http://www.ubuntu.com/usn/USN-1510-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=761655
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16993
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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