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    CVE-2009-3986

    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.

    Published:Dec 15, 2009
    Last Modified:Apr 23, 2026
    EPS:Dec 17, 2009
    EPSS Score:0.01982
    CVSS Score:7.6

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Seamonkey
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-84144 (CVSS 7.5) — Internally found bugs present in Thunderbird 154 and Thunderbird ESR 153.1. Some of these bugs showed evidence…
    CVE-2026-84143 (CVSS 9.8) — Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of th…
    CVE-2026-84142 (CVSS 9.8) — Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or a…
    CVE-2026-84141 (CVSS 9.8) — Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR…
    CVE-2026-84140 (CVSS 9.8) — Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ES…
    CVE-2026-84139 (CVSS 6.1) — Clickjacking issue in the DOM: Events component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.…
    CVE-2026-84138 (CVSS 6.5) — Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155 and Thunderbird 155…
    CVE-2026-84137 (CVSS 4.3) — Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153…
    CVE-2026-84136 (CVSS 6.1) — Other issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, …
    CVE-2026-84135 (CVSS 9.8) — Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.…

    References

    http://secunia.com/advisories/37699
    http://secunia.com/advisories/37704
    http://secunia.com/advisories/37785
    http://secunia.com/advisories/37813
    http://secunia.com/advisories/37856
    http://secunia.com/advisories/37881
    http://securitytracker.com/id?1023344
    http://securitytracker.com/id?1023345
    http://www.debian.org/security/2009/dsa-1956
    http://www.mozilla.org/security/announce/2009/mfsa2009-70.html
    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
    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
    http://secunia.com/advisories/37699
    http://secunia.com/advisories/37704
    http://secunia.com/advisories/37785
    http://secunia.com/advisories/37813
    http://secunia.com/advisories/37856
    http://secunia.com/advisories/37881
    http://securitytracker.com/id?1023344
    http://securitytracker.com/id?1023345
    http://www.debian.org/security/2009/dsa-1956
    http://www.mozilla.org/security/announce/2009/mfsa2009-70.html
    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
    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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High