Is CVE-2014-1479 being actively exploited?

CVE-2014-1479 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-1479?

CVE-2014-1479 has a CVSS 3.1 base score of 7.5 (HIGH).

CVE-2014-1479

HIGH · CVSS 7.5EPSS 4.6%EU EUVD

The System Only Wrapper (SOW) implementation in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 does not prevent certain cloning operations, which allows remote attackers to bypass intended restrictions on XUL content via vectors involving XBL content scopes.

Key facts

CVSS score: 7.5 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS score: 4.6% (92th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-1555)
Published: February 6, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-1555 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
fedoraproject / fedora
fedoraproject / fedora
mozilla / firefox
mozilla / seamonkey
mozilla / thunderbird
opensuse / opensuse
opensuse / opensuse
opensuse / opensuse
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux server eus
redhat / enterprise linux server tus
redhat / enterprise linux workstation
redhat / enterprise linux workstation
suse / suse linux enterprise desktop
suse / suse linux enterprise server
suse / suse linux enterprise server
suse / suse linux enterprise software development kit

Certified products that may be affected

3 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

SUSE Linux Enterprise Server 11 Service Pack 2 on IBM System z - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0852-2013 - archived
SUSE Linux Enterprise Server 11 Service Pack 2 including KVM virtualization - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0787-2013 - archived
Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical

References

http://download.novell.com/Download?buildid=VYQsgaFpQ2k(Broken Link)
http://download.novell.com/Download?buildid=Y2fux-JW1Qc(Broken Link)
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127966.html(Mailing List, Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129218.html(Mailing List, 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/102866(Broken Link)
http://rhn.redhat.com/errata/RHSA-2014-0132.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2014-0133.html(Third Party Advisory)
http://secunia.com/advisories/56706(Broken Link)
http://secunia.com/advisories/56761(Broken Link)
http://secunia.com/advisories/56763(Broken Link)
http://secunia.com/advisories/56767(Broken Link)
http://secunia.com/advisories/56787(Broken Link)
http://secunia.com/advisories/56858(Broken Link)
http://secunia.com/advisories/56888(Broken Link)
http://secunia.com/advisories/56922(Broken Link)
http://www.debian.org/security/2014/dsa-2858(Third Party Advisory)
http://www.mozilla.org/security/announce/2014/mfsa2014-02.html(Vendor Advisory)
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html(Third Party Advisory)
http://www.securityfocus.com/bid/65320(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)
https://8pecxstudios.com/?page_id=44080(Broken Link, URL Repurposed)
https://bugzilla.mozilla.org/show_bug.cgi?id=911864(Exploit, Issue Tracking, Vendor Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/90898(Third Party Advisory, VDB Entry)
https://security.gentoo.org/glsa/201504-01(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain