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Vulnerability details: VCID-94dz-rrv5-a3gk
Vulnerability ID VCID-94dz-rrv5-a3gk
Aliases CVE-2016-1946
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 None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-189 Numeric Errors
System Score Found at
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
epss 0.03529 https://api.first.org/data/v1/epss?cve=CVE-2016-1946
cvssv2 10.0 https://nvd.nist.gov/vuln/detail/CVE-2016-1946
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2016-1946
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2016-10
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00002.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-1946.json
https://api.first.org/data/v1/epss?cve=CVE-2016-1946
https://bugzilla.mozilla.org/show_bug.cgi?id=1232069
https://hg.mozilla.org/mozilla-central/rev/2a57c0a0cf19
http://www.mozilla.org/security/announce/2016/mfsa2016-10.html
http://www.securityfocus.com/bid/81950
http://www.securitytracker.com/id/1034825
http://www.ubuntu.com/usn/USN-2880-1
http://www.ubuntu.com/usn/USN-2880-2
1301825 https://bugzilla.redhat.com/show_bug.cgi?id=1301825
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:o:opensuse:leap:42.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
CVE-2016-1946 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1946
CVE-2016-1946 https://nvd.nist.gov/vuln/detail/CVE-2016-1946
GLSA-201605-06 https://security.gentoo.org/glsa/201605-06
mfsa2016-10 https://www.mozilla.org/en-US/security/advisories/mfsa2016-10
USN-2880-1 https://usn.ubuntu.com/2880-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2016-1946
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:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-1946
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 0.87603
EPSS Score 0.03529
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:04:52.415354+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201605-06 38.0.0