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Vulnerability details: VCID-wut5-sqr6-mubd
Vulnerability ID VCID-wut5-sqr6-mubd
Aliases CVE-2016-1978
Summary Multiple vulnerabilities have been found in Firefox, Thunderbird, Network Security Services (NSS), and NetScape Portable Runtime (NSPR) with the worst of which may allow remote execution of arbitrary code.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02458 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-1978
cvssv3 7.3 https://nvd.nist.gov/vuln/detail/CVE-2016-1978
generic_textual none https://www.mozilla.org/en-US/security/advisories/mfsa2016-15
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.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
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-1978.json
https://api.first.org/data/v1/epss?cve=CVE-2016-1978
https://bto.bluecoat.com/security-advisory/sa124
https://bugzilla.mozilla.org/show_bug.cgi?id=1209546
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4000
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7181
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7182
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7575
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1950
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21_release_notes
http://www.debian.org/security/2016/dsa-3688
http://www.mozilla.org/security/announce/2016/mfsa2016-15.html
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.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/84275
http://www.securityfocus.com/bid/91787
http://www.securitytracker.com/id/1035258
http://www.ubuntu.com/usn/USN-2973-1
1315565 https://bugzilla.redhat.com/show_bug.cgi?id=1315565
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*
CVE-2016-1978 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1978
CVE-2016-1978 https://nvd.nist.gov/vuln/detail/CVE-2016-1978
GLSA-201605-06 https://security.gentoo.org/glsa/201605-06
mfsa2016-15 https://www.mozilla.org/en-US/security/advisories/mfsa2016-15
RHSA-2016:0591 https://access.redhat.com/errata/RHSA-2016:0591
RHSA-2016:0684 https://access.redhat.com/errata/RHSA-2016:0684
RHSA-2016:0685 https://access.redhat.com/errata/RHSA-2016:0685
USN-2973-1 https://usn.ubuntu.com/2973-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-1978
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2016-1978
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.85163
EPSS Score 0.02458
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:04:57.617556+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201605-06 38.0.0