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Vulnerability record · CVE-2016-1979 · published 13 March 2016

CVE-2016-1979: Mozilla firefox vulnerability

Mozilla · Firefox

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.

8.8 CVSS 3.0 High EPSS 2.2% · top 18.4%
8.8CVSS 3.0 base score, v2 6.8
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
46References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 Vendor Advisory
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 Vendor Advisory
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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-1979), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.