CVE-2014-1491

Name: CVE-2014-1491
Creator: NVD / NIST
Published: 2014-02-06T05:44:25.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.66%

Last modified Jun 17, 2026

CVE-2014-1491 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.66% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

4.66%

90.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-326

Affected Software

Vendor	Product	Versions	Update
Mozilla	Firefox	< 24.3	—
Mozilla	Firefox	< 27.0	—
Mozilla	Network Security Services	< 3.15.4	—
Mozilla	Seamonkey	< 2.24	—
Mozilla	Thunderbird	< 24.3.0	—
Oracle	Enterprise Manager Ops Center	< 12.1.4	—
Oracle	Enterprise Manager Ops Center	12.2.0	—
Oracle	Enterprise Manager Ops Center	12.2.1	—
Oracle	Enterprise Manager Ops Center	12.3.0	—
Oracle	Vm Server	3.2	—
Fedoraproject	Fedora	19	—
Fedoraproject	Fedora	20	—
Opensuse	Opensuse	11.4	—
Opensuse	Opensuse	12.3	—
Opensuse	Opensuse	13.1	—
Suse	Linux Enterprise Desktop	11	Sp3
Suse	Linux Enterprise Server	11	Sp3
Suse	Linux Enterprise Software Development Kit	11	Sp3
Debian	Debian Linux	7.0	—
Debian	Debian Linux	8.0	—
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	12.10	—
Canonical	Ubuntu Linux	13.10	—

References

http://hg.mozilla.org/projects/nss/rev/12c42006aed8Patch, Vendor Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127966.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129218.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.htmlMailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2014/Dec/23Not Applicable
http://secunia.com/advisories/56858Third Party Advisory
http://secunia.com/advisories/56888Third Party Advisory
http://secunia.com/advisories/56922Third Party Advisory
http://www.debian.org/security/2014/dsa-2858Third Party Advisory
http://www.debian.org/security/2014/dsa-2994Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-12.htmlThird Party Advisory, Vendor Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlThird Party Advisory
http://www.securityfocus.com/archive/1/534161/100/0/threadedNot Applicable
http://www.securityfocus.com/bid/65332Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029717Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029720Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029721Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2102-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2102-2Third Party Advisory
http://www.ubuntu.com/usn/USN-2119-1Third Party Advisory
http://www.vmware.com/security/advisories/VMSA-2014-0012.htmlNot Applicable
https://bugzilla.mozilla.org/show_bug.cgi?id=934545Exploit, Issue Tracking, Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/90886Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201504-01Third Party Advisory
http://hg.mozilla.org/projects/nss/rev/12c42006aed8Patch, Vendor Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127966.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129218.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.htmlMailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2014/Dec/23Not Applicable
http://secunia.com/advisories/56858Third Party Advisory
http://secunia.com/advisories/56888Third Party Advisory
http://secunia.com/advisories/56922Third Party Advisory
http://www.debian.org/security/2014/dsa-2858Third Party Advisory
http://www.debian.org/security/2014/dsa-2994Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-12.htmlThird Party Advisory, Vendor Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlThird Party Advisory
http://www.securityfocus.com/archive/1/534161/100/0/threadedNot Applicable
http://www.securityfocus.com/bid/65332Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029717Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029720Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1029721Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2102-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2102-2Third Party Advisory
http://www.ubuntu.com/usn/USN-2119-1Third Party Advisory
http://www.vmware.com/security/advisories/VMSA-2014-0012.htmlNot Applicable
https://bugzilla.mozilla.org/show_bug.cgi?id=934545Exploit, Issue Tracking, Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/90886Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201504-01Third Party Advisory

Timeline

Published: Feb 6, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-1491?

How severe is CVE-2014-1491?

Severity scoring for CVE-2014-1491 is pending analysis. The EPSS model estimates a 4.66% probability of exploitation in the next 30 days.

How do I fix CVE-2014-1491?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-1491?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST