CVE-2014-1490

Race condition in libssl in 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, allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via vectors involving a resumption handshake that triggers incorrect replacement of a session ticket.

Published: 2014-02-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-1490 is rated High Risk (70.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.99%). Core evidence: EPSS rose +2.40% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-1490

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.59% 3.99% +2.40%
2 2026-02-22 1.14% 1.59% +0.45%
3 2026-01-25 1.14%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-1490

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2014-1490

OS Trackers for CVE-2014-1490

vendor priority summary link
debian not yet assigned CVE-2014-1490 not yet assigned priority: Debian including 1 source packages (nss), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-1490
gentoo normal CVE-2014-1490: 1 GLSA(s) (201504-01), 7 atom(s) (dev-libs/nspr, mail-client/thunderbird, …); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-1490
redhat medium https://access.redhat.com/security/cve/CVE-2014-1490
suse medium CVE-2014-1490 severity moderate: SUSE including 171 source package names (MozillaFirefox, MozillaFirefox-140.2.0-160000.1.2, …), 277 product×package rows across 59 product lines (SUSE Enterprise Storage 6, SUSE Linux Enterprise Desktop 11 SP3, … (59 product lines)): Fixed 219, Known Not Affected 58. https://www.suse.com/security/cve/CVE-2014-1490/
ubuntu medium CVE-2014-1490 medium priority: Ubuntu including 3 source packages (firefox, nss, thunderbird), 15 status rows across 5 suites (lucid, precise, quantal, saucy, upstream): released 9, not-affected 4, ignored 2. https://ubuntu.com/security/CVE-2014-1490

Affected software / configurations for CVE-2014-1490

Vendor Product Version Raw CPE
mozilla firefox < 24.3 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox < 27.0 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla network_security_services < 3.15.4 cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*
mozilla seamonkey < 2.24 cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
mozilla thunderbird < 24.3.0 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
oracle enterprise_manager_ops_center < 12.1.4 cpe:2.3:a:oracle:enterprise_manager_ops_center:*:*:*:*:*:*:*:*
oracle enterprise_manager_ops_center 12.2.0 cpe:2.3:a:oracle:enterprise_manager_ops_center:12.2.0:*:*:*:*:*:*:*
oracle enterprise_manager_ops_center 12.2.1 cpe:2.3:a:oracle:enterprise_manager_ops_center:12.2.1:*:*:*:*:*:*:*
oracle enterprise_manager_ops_center 12.3.0 cpe:2.3:a:oracle:enterprise_manager_ops_center:12.3.0:*:*:*:*:*:*:*
oracle vm_server 3.2 cpe:2.3:a:oracle:vm_server:3.2:*:*:*:*:*:x86:*
fedoraproject fedora 19 cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:*
fedoraproject fedora 20 cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
opensuse opensuse 11.4 cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
opensuse opensuse 12.3 cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
suse linux_enterprise_desktop 11 cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:*
suse linux_enterprise_server 11 cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:*
suse linux_enterprise_server 11 cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:*
suse linux_enterprise_software_development_kit 11 cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp3:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 12.10 cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
canonical ubuntu_linux 13.10 cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:*

References for CVE-2014-1490

URL Tags
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127966.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129218.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00010.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.html Mailing List Third Party Advisory
http://osvdb.org/102876 Broken Link
http://seclists.org/fulldisclosure/2014/Dec/23 Not Applicable
http://secunia.com/advisories/56706 Third Party Advisory
http://secunia.com/advisories/56767 Third Party Advisory
http://secunia.com/advisories/56787 Third Party Advisory
http://secunia.com/advisories/56858 Third Party Advisory
http://secunia.com/advisories/56888 Third Party Advisory
http://secunia.com/advisories/56922 Third Party Advisory
http://www.debian.org/security/2014/dsa-2858 Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-12.html Vendor Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Third Party Advisory
http://www.securityfocus.com/archive/1/534161/100/0/threaded Not Applicable
http://www.securityfocus.com/bid/65335 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1029717 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1029720 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1029721 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2102-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2102-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2119-1 Third Party Advisory
http://www.vmware.com/security/advisories/VMSA-2014-0012.html Not Applicable
https://8pecxstudios.com/?page_id=44080 Broken Link URL Repurposed
https://bugzilla.mozilla.org/show_bug.cgi?id=930857 Issue Tracking Patch Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=930874 Issue Tracking Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/90885 Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201504-01 Third Party Advisory
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