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    CVE-2016-1979

    Use-after-free vulnerability in the PK11_ImportDERPrivateKeyInfoAndReturnKey function in Mozilla Network Security Services (NSS) before 3.21.1, as used in Mozilla Firefox before 45.0, allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted key data with DER encoding.

    Published:Mar 8, 2016
    Last Modified:Apr 12, 2025
    EPS:Mar 13, 2016
    EPSS Score:0.00905
    CVSS Score:8.8

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Network Security Services
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
    http://rhn.redhat.com/errata/RHSA-2016-0591.html
    http://rhn.redhat.com/errata/RHSA-2016-0684.html
    http://rhn.redhat.com/errata/RHSA-2016-0685.html
    http://www.debian.org/security/2016/dsa-3576
    http://www.debian.org/security/2016/dsa-3688
    http://www.mozilla.org/security/announce/2016/mfsa2016-36.html
    http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/84221
    http://www.securitytracker.com/id/1035215
    http://www.ubuntu.com/usn/USN-2973-1
    https://bto.bluecoat.com/security-advisory/sa124
    https://bugzilla.mozilla.org/show_bug.cgi?id=1185033
    https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21.1_release_notes
    https://security.gentoo.org/glsa/201605-06
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
    http://rhn.redhat.com/errata/RHSA-2016-0591.html
    http://rhn.redhat.com/errata/RHSA-2016-0684.html
    http://rhn.redhat.com/errata/RHSA-2016-0685.html
    http://www.debian.org/security/2016/dsa-3576
    http://www.debian.org/security/2016/dsa-3688
    http://www.mozilla.org/security/announce/2016/mfsa2016-36.html
    http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/84221
    http://www.securitytracker.com/id/1035215
    http://www.ubuntu.com/usn/USN-2973-1
    https://bto.bluecoat.com/security-advisory/sa124
    https://bugzilla.mozilla.org/show_bug.cgi?id=1185033
    https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21.1_release_notes
    https://security.gentoo.org/glsa/201605-06

    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