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    CVE-2009-3076

    Mozilla Firefox before 3.0.14 does not properly implement certain dialogs associated with the (1) pkcs11.addmodule and (2) pkcs11.deletemodule operations, which makes it easier for remote attackers to trick a user into installing or removing an arbitrary PKCS11 module.

    Published:Sep 9, 2009
    Last Modified:Apr 23, 2026
    EPS:Sep 10, 2009
    EPSS Score:0.17599
    CVSS Score:9.3

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://www.exploit-db.com/exploits/9651

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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/36669
    http://secunia.com/advisories/36670
    http://secunia.com/advisories/36671
    http://secunia.com/advisories/36692
    http://secunia.com/advisories/37098
    http://www.debian.org/security/2009/dsa-1885
    http://www.mozilla.org/security/announce/2009/mfsa2009-48.html
    http://www.novell.com/linux/security/advisories/2009_48_firefox.html
    http://www.redhat.com/support/errata/RHSA-2009-1430.html
    http://www.redhat.com/support/errata/RHSA-2009-1431.html
    http://www.redhat.com/support/errata/RHSA-2009-1432.html
    http://www.redhat.com/support/errata/RHSA-2010-0153.html
    http://www.redhat.com/support/errata/RHSA-2010-0154.html
    http://www.securityfocus.com/bid/36343
    http://www.securitytracker.com/id?1022877
    http://www.vupen.com/english/advisories/2010/0650
    https://bugzilla.mozilla.org/show_bug.cgi?id=326628
    https://bugzilla.mozilla.org/show_bug.cgi?id=509413
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6140
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9306
    http://secunia.com/advisories/36669
    http://secunia.com/advisories/36670
    http://secunia.com/advisories/36671
    http://secunia.com/advisories/36692
    http://secunia.com/advisories/37098
    http://www.debian.org/security/2009/dsa-1885
    http://www.mozilla.org/security/announce/2009/mfsa2009-48.html
    http://www.novell.com/linux/security/advisories/2009_48_firefox.html
    http://www.redhat.com/support/errata/RHSA-2009-1430.html
    http://www.redhat.com/support/errata/RHSA-2009-1431.html
    http://www.redhat.com/support/errata/RHSA-2009-1432.html
    http://www.redhat.com/support/errata/RHSA-2010-0153.html
    http://www.redhat.com/support/errata/RHSA-2010-0154.html
    http://www.securityfocus.com/bid/36343
    http://www.securitytracker.com/id?1022877
    http://www.vupen.com/english/advisories/2010/0650
    https://bugzilla.mozilla.org/show_bug.cgi?id=326628
    https://bugzilla.mozilla.org/show_bug.cgi?id=509413
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6140
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9306

    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