CVE-2009-3984
MEDIUM · CVSS 6.8EPSS 2.2%EU EUVD
Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to spoof an SSL indicator for an http URL or a file URL by setting document.location to an https URL corresponding to a site that responds with a No Content (aka 204) status code and an empty body.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- EPSS score
- 2.2% (83th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-3955)
- Published
- December 17, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-3955 in the EU Vulnerability Database. Last updated in EUVD on August 7, 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 / 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
and 107 more…
References
- http://secunia.com/advisories/37699(Vendor Advisory)
- http://secunia.com/advisories/37703(Vendor Advisory)
- http://secunia.com/advisories/37704(Vendor Advisory)
- http://secunia.com/advisories/37785(Vendor Advisory)
- http://secunia.com/advisories/37813
- http://secunia.com/advisories/37856
- http://secunia.com/advisories/37881
- http://securitytracker.com/id?1023342
- http://securitytracker.com/id?1023343
- http://www.debian.org/security/2009/dsa-1956
- http://www.mozilla.org/security/announce/2009/mfsa2009-69.html(Patch, Vendor Advisory)
- http://www.novell.com/linux/security/advisories/2009_63_firefox.html
- http://www.securityfocus.com/bid/37349
- http://www.securityfocus.com/bid/37367
- http://www.ubuntu.com/usn/USN-873-1
- http://www.ubuntu.com/usn/USN-874-1
- http://www.vupen.com/english/advisories/2009/3547(Patch, Vendor Advisory)
- https://bugzilla.mozilla.org/show_bug.cgi?id=521461
- https://bugzilla.redhat.com/show_bug.cgi?id=546722
- https://exchange.xforce.ibmcloud.com/vulnerabilities/54806
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8379
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9791
- https://rhn.redhat.com/errata/RHSA-2009-1673.html
- https://rhn.redhat.com/errata/RHSA-2009-1674.html
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00995.html
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01034.html
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01041.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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