CVE-2009-3986
HIGH · CVSS 7.6EPSS 3.7%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 execute arbitrary JavaScript with chrome privileges by leveraging a reference to a chrome window from a content window, related to the window.opener property.
Key facts
- CVSS score
- 7.6 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:H/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-94
- EPSS score
- 3.7% (90th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-3957)
- 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-2009-3957 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 106 more…
References
- http://secunia.com/advisories/37699(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?1023344(Patch)
- http://securitytracker.com/id?1023345(Patch)
- http://www.debian.org/security/2009/dsa-1956
- http://www.mozilla.org/security/announce/2009/mfsa2009-70.html(Vendor Advisory)
- http://www.novell.com/linux/security/advisories/2009_63_firefox.html
- http://www.securityfocus.com/bid/37349
- http://www.securityfocus.com/bid/37365
- 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=522430
- https://bugzilla.redhat.com/show_bug.cgi?id=546724
- https://exchange.xforce.ibmcloud.com/vulnerabilities/54803
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11568
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8489
- 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
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain