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    CVE-2014-1584

    The Public Key Pinning (PKP) implementation in Mozilla Firefox before 33.0 skips pinning checks upon an unspecified issuer-verification error, which makes it easier for remote attackers to bypass an intended pinning configuration and spoof a web site via a crafted certificate that leads to presentation of the Untrusted Connection dialog to the user.

    Published:Oct 14, 2014
    Last Modified:Apr 12, 2025
    EPS:Oct 15, 2014
    EPSS Score:0.00682
    CVSS Score:4.3

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    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://lists.fedoraproject.org/pipermail/package-announce/2014-November/141796.html
    http://lists.fedoraproject.org/pipermail/package-announce/2014-October/141085.html
    http://lists.opensuse.org/opensuse-updates/2014-11/msg00001.html
    http://lists.opensuse.org/opensuse-updates/2014-11/msg00002.html
    http://secunia.com/advisories/62022
    http://secunia.com/advisories/62023
    http://www.mozilla.org/security/announce/2014/mfsa2014-80.html
    http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
    http://www.securityfocus.com/bid/70434
    http://www.securitytracker.com/id/1031028
    http://www.ubuntu.com/usn/USN-2372-1
    https://bugzilla.mozilla.org/show_bug.cgi?id=1066190
    https://security.gentoo.org/glsa/201504-01
    http://lists.fedoraproject.org/pipermail/package-announce/2014-November/141796.html
    http://lists.fedoraproject.org/pipermail/package-announce/2014-October/141085.html
    http://lists.opensuse.org/opensuse-updates/2014-11/msg00001.html
    http://lists.opensuse.org/opensuse-updates/2014-11/msg00002.html
    http://secunia.com/advisories/62022
    http://secunia.com/advisories/62023
    http://www.mozilla.org/security/announce/2014/mfsa2014-80.html
    http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
    http://www.securityfocus.com/bid/70434
    http://www.securitytracker.com/id/1031028
    http://www.ubuntu.com/usn/USN-2372-1
    https://bugzilla.mozilla.org/show_bug.cgi?id=1066190
    https://security.gentoo.org/glsa/201504-01

    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