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CVE-2014-1491

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0,...

4.3 MediumFix available

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24, and other products, does not properly restrict public values in Diffie-Hellman key exchanges, which makes it easier for remote attackers to bypass cryptographic protection mechanisms in ticket handling by leveraging use of a certain value.

Exploit likelihood

4.60%Up 0.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24, and other products, does not properly restrict public values in Diffie-Hellman key exchanges, which makes it easier for remote attackers to bypass cryptographic protection mechanisms in ticket handling by leveraging use of a certain value.

Record
CVE-2014-1491
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness
CWE-326
Updated
2026-11-02
CVE List No score

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24, and other products, does not properly restrict public values in Diffie-Hellman key exchanges, which makes it easier for remote attackers to bypass cryptographic protection mechanisms in ticket handling by leveraging use of a certain value.

Record
CVE-2014-1491
Updated
2026-11-02
EUVDEUVD-2014-1567 No score

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24, and other products, does not properly restrict public values in Diffie-Hellman key exchanges, which makes it easier for remote attackers to bypass cryptographic protection mechanisms in ticket handling by leveraging use of a certain value.

Record
EUVD-2014-1567
Updated
2026-11-03
GitHub AdvisoriesGHSA-v496-3mj8-fpc6 No score

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0,...

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24, and other products, does not properly restrict public values in Diffie-Hellman key exchanges, which makes it easier for remote attackers to bypass cryptographic protection mechanisms in ticket handling by leveraging use of a certain value.

Record
GHSA-v496-3mj8-fpc6
Weakness
CWE-326
Updated
2026-11-02
OSV No score

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24, and other products, does not properly restrict public values in Diffie-Hellman key exchanges, which makes it easier for remote attackers to bypass cryptographic protection mechanisms in ticket handling by leveraging use of a certain value.

Record
CVE-2014-1491
Updated
2026-11-02
OSVDEBIAN-CVE-2014-1491 No score

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24, and other products, does not properly restrict public values in Diffie-Hellman key exchanges, which makes it easier for remote attackers to bypass cryptographic protection mechanisms in ticket handling by leveraging use of a certain value.

Record
DEBIAN-CVE-2014-1491
Updated
2026-11-02
Show 4 moreShow less
OSVopenSUSE-SU-2024:10071-1 No score

MozillaFirefox-50.1.0-1.1 on GA media

These are all security issues fixed in the MozillaFirefox-50.1.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10071-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10218-1 No score

seamonkey-2.40-6.1 on GA media

These are all security issues fixed in the seamonkey-2.40-6.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10218-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10230-1 No score

MozillaThunderbird-45.5.1-1.1 on GA media

These are all security issues fixed in the MozillaThunderbird-45.5.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10230-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10451-1 No score

libfreebl3-3.26.2-1.1 on GA media

These are all security issues fixed in the libfreebl3-3.26.2-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10451-1
Updated
2026-11-02

Affected products

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Affected packages

Affected packages
PackageAffectedFixed
nss
Debian:12
 before 2:3.15.4-1
2:3.15.4-1
nss
Debian:13
 before 2:3.15.4-1
2:3.15.4-1
nss
Debian:14
 before 2:3.15.4-1
2:3.15.4-1
nss
Debian:6.0
From an advisory covering 4 CVEs
 before 3.12.8-1+squeeze8, plus listed versions
3.12.8-13.12.8-1+squeeze13.12.8-1+squeeze1~bpo50+13.12.8-1+squeeze23.12.8-1+squeeze3
Show 6 moreShow less
3.12.8-1+squeeze3~bpo50+13.12.8-1+squeeze43.12.8-1+squeeze4~bpo50+13.12.8-1+squeeze53.12.8-1+squeeze63.12.8-1+squeeze7
3.12.8-1+squeeze8
iceweasel
Debian:7
From an advisory covering 8 CVEs
 before 24.3.0esr-1~deb7u1, plus listed versions
10.0.12esr-110.0.12esr-1+alpha10.0.12esr-1+nmu110.0.12esr-1+nmu1+alpha11.0-1
Show 45 moreShow less
11.0-211.0-311.0-411.0~b1-111.0~b1-211.0~b2-111.0~b3-111.0~b4-111.0~b5-111.0~b6-112.0-112.0-212.0-312.0-412.0-512.0-612.0-713.0-113.0.1-113.0.1-214.0.1-114.0.1-215.0-115.0.1-116.0-116.0.1-116.0.2-117.0-117.0.1-117.0.1-217.0.10esr-1~deb7u117.0.5esr-117.0.6esr-117.0.6esr-1~deb7u117.0.7esr-117.0.7esr-1~deb7u117.0.7esr-217.0.8esr-117.0.8esr-1~deb7u117.0.8esr-217.0.8esr-2~deb7u117.0.9esr-1~deb7u118.0-118.0.1-118.0.2-1
24.3.0esr-1~deb7u1
nss
Debian:7
From an advisory covering 4 CVEs
 before 2:3.14.5-1+deb7u1, plus listed versions
2:3.14.3-12:3.14.4-12:3.14.5-12:3.14.5-1~bpo60+1
2:3.14.5-1+deb7u1
nspr
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
 before 0:4.10.6-1.el6_5
0:4.10.6-1.el6_5
nspr-debuginfo
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
 before 0:4.10.6-1.el6_5
0:4.10.6-1.el6_5
nss
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-debuginfo
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
Show 60 moreShow less
Affected packages
PackageAffectedFixed
nss-sysinit
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-tools
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-util
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
 before 0:3.16.1-1.el6_5
0:3.16.1-1.el6_5
nss-util-debuginfo
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
 before 0:3.16.1-1.el6_5
0:3.16.1-1.el6_5
nspr-devel
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
 before 0:4.10.6-1.el6_5
0:4.10.6-1.el6_5
nss-devel
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-pkcs11-devel
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-util-devel
Red Hat:enterprise_linux:6::client
From an advisory covering 6 CVEs
 before 0:3.16.1-1.el6_5
0:3.16.1-1.el6_5
nspr
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
 before 0:4.10.6-1.el6_5
0:4.10.6-1.el6_5
nspr-debuginfo
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
 before 0:4.10.6-1.el6_5
0:4.10.6-1.el6_5
nss
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-debuginfo
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-sysinit
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-tools
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-util
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
 before 0:3.16.1-1.el6_5
0:3.16.1-1.el6_5
nss-util-debuginfo
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
 before 0:3.16.1-1.el6_5
0:3.16.1-1.el6_5
nspr-devel
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
 before 0:4.10.6-1.el6_5
0:4.10.6-1.el6_5
nss-devel
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-pkcs11-devel
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-util-devel
Red Hat:enterprise_linux:6::computenode
From an advisory covering 6 CVEs
 before 0:3.16.1-1.el6_5
0:3.16.1-1.el6_5
nspr
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:4.10.6-1.el6_5
0:4.10.6-1.el6_5
nspr-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:4.10.6-1.el6_5
0:4.10.6-1.el6_5
nspr-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:4.10.6-1.el6_5
0:4.10.6-1.el6_5
nss
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-sysinit
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-tools
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-util
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:3.16.1-1.el6_5
0:3.16.1-1.el6_5
nss-util-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:3.16.1-1.el6_5
0:3.16.1-1.el6_5
nss-util-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:3.16.1-1.el6_5
0:3.16.1-1.el6_5
nss-pkcs11-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nspr
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
 before 0:4.10.6-1.el6_5
0:4.10.6-1.el6_5
nspr-debuginfo
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
 before 0:4.10.6-1.el6_5
0:4.10.6-1.el6_5
nspr-devel
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
 before 0:4.10.6-1.el6_5
0:4.10.6-1.el6_5
nss
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-debuginfo
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-devel
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-sysinit
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-tools
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
nss-util
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
 before 0:3.16.1-1.el6_5
0:3.16.1-1.el6_5
nss-util-debuginfo
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
 before 0:3.16.1-1.el6_5
0:3.16.1-1.el6_5
nss-util-devel
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
 before 0:3.16.1-1.el6_5
0:3.16.1-1.el6_5
nss-pkcs11-devel
Red Hat:enterprise_linux:6::workstation
From an advisory covering 6 CVEs
 before 0:3.16.1-4.el6_5
0:3.16.1-4.el6_5
rhev-hypervisor6
Red Hat:enterprise_linux:6::hypervisor
 before 0:6.5-20140725.0.el6ev
0:6.5-20140725.0.el6ev
nss
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 5 CVEs
 before 0:3.16.1-2.el5
0:3.16.1-2.el5
nss-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 5 CVEs
 before 0:3.16.1-2.el5
0:3.16.1-2.el5
nss-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 5 CVEs
 before 0:3.16.1-2.el5
0:3.16.1-2.el5
nss-pkcs11-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 5 CVEs
 before 0:3.16.1-2.el5
0:3.16.1-2.el5
nss
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:3.16.1-2.el5
0:3.16.1-2.el5
nss-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:3.16.1-2.el5
0:3.16.1-2.el5
nss-tools
Red Hat:enterprise_linux:5::client
From an advisory covering 5 CVEs
 before 0:3.16.1-2.el5
0:3.16.1-2.el5
nss
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:3.16.1-2.el5
0:3.16.1-2.el5
nss-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:3.16.1-2.el5
0:3.16.1-2.el5
nss-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:3.16.1-2.el5
0:3.16.1-2.el5
nss-pkcs11-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:3.16.1-2.el5
0:3.16.1-2.el5
nss-tools
Red Hat:enterprise_linux:5::server
From an advisory covering 5 CVEs
 before 0:3.16.1-2.el5
0:3.16.1-2.el5
MozillaFirefox
openSUSE:Tumbleweed
From an advisory covering 899 CVEs
 before 50.1.0-1.1
50.1.0-1.1
MozillaThunderbird
openSUSE:Tumbleweed
From an advisory covering 560 CVEs
 before 45.5.1-1.1
45.5.1-1.1
mozilla-nss
openSUSE:Tumbleweed
From an advisory covering 22 CVEs
 before 3.26.2-1.1
3.26.2-1.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2014-1491 is a medium vulnerability (CVSS 4.3) in Mozilla Firefox, published February 6, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.60%, the 91st percentile. Fixed in nss 2:3.15.4-1.

References

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This page doesn't list everything

Left out here: 18 versions and 826 references. The JSON record has them.

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