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Vulnerability details: VCID-63gn-a78n-aaar
Vulnerability ID VCID-63gn-a78n-aaar
Aliases CVE-2016-1978
Summary Use-after-free vulnerability in the ssl3_HandleECDHServerKeyExchange function in Mozilla Network Security Services (NSS) before 3.21, as used in Mozilla Firefox before 44.0, allows remote attackers to cause a denial of service or possibly have unspecified other impact by making an SSL (1) DHE or (2) ECDHE handshake at a time of high memory consumption.
Status Published
Exploitability 0.5
Weighted Severity 7.0
Risk 3.5
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1978.html
rhas Moderate https://access.redhat.com/errata/RHSA-2016:0591
rhas Moderate https://access.redhat.com/errata/RHSA-2016:0684
rhas Moderate https://access.redhat.com/errata/RHSA-2016:0685
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.02256 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.05698 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.0657 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07706 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07706 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07706 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07706 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07706 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07706 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07706 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07706 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07706 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07706 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07706 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07848 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07848 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
epss 0.07848 https://api.first.org/data/v1/epss?cve=CVE-2016-1978
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1315565
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4000
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7181
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7182
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7575
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1938
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1950
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1978
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1979
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2834
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 Medium https://ubuntu.com/security/notices/USN-2973-1
generic_textual none https://www.mozilla.org/en-US/security/advisories/mfsa2016-15
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2016-15/
cvssv3.1 9.8 http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
generic_textual CRITICAL http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
cvssv3.1 8.8 http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
generic_textual HIGH http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
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://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1978.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-2016-1938
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1950
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1978
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1979
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2834
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.21_release_notes
https://security.gentoo.org/glsa/201605-06
https://ubuntu.com/security/notices/USN-2973-1
https://www.mozilla.org/en-US/security/advisories/mfsa2016-15/
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
CVE-2016-1978 https://nvd.nist.gov/vuln/detail/CVE-2016-1978
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
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 0.83125
EPSS Score 0.02256
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.