CVE-2014-1524

Name: CVE-2014-1524
Creator: NVD / NIST
Published: 2014-04-30T10:49:04.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 7.54%

Last modified Jun 17, 2026

CVE-2014-1524 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The nsXBLProtoImpl::InstallImplementation function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 does not properly check whether objects are XBL objects, which allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via crafted JavaScript code that accesses a non-XBL object as if it were an XBL object.. EPSS estimates a 7.54% chance of exploitation in the next 30 days.

Description

The nsXBLProtoImpl::InstallImplementation function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 does not properly check whether objects are XBL objects, which allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via crafted JavaScript code that accesses a non-XBL object as if it were an XBL object.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

7.54%

93.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions	Update
Mozilla	Firefox	< 29.0	—
Mozilla	Firefox	>= 24.0, < 24.5	—
Mozilla	Seamonkey	< 2.26	—
Mozilla	Thunderbird	< 24.5	—
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	12.10	—
Canonical	Ubuntu Linux	13.10	—
Canonical	Ubuntu Linux	14.04	—
Debian	Debian Linux	7.0	—
Debian	Debian Linux	8.0	—
Redhat	Enterprise Linux Desktop	5.0	—
Redhat	Enterprise Linux Desktop	6.0	—
Redhat	Enterprise Linux Eus	6.5	—
Redhat	Enterprise Linux Server	5.0	—
Redhat	Enterprise Linux Server	6.0	—
Redhat	Enterprise Linux Server Aus	6.5	—
Redhat	Enterprise Linux Server Eus	6.5	—
Redhat	Enterprise Linux Server Tus	6.5	—
Redhat	Enterprise Linux Workstation	5.0	—
Redhat	Enterprise Linux Workstation	6.0	—
Opensuse	Opensuse	11.4	—
Opensuse	Opensuse	12.3	—
Opensuse	Opensuse	13.1	—
Suse	Suse Linux Enterprise Server	10	Sp4
Suse	Suse Linux Enterprise Server	11	Sp1
Fedoraproject	Fedora	19	—
Fedoraproject	Fedora	20	—

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132332.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00006.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00015.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00013.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00033.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00040.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0448.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0449.htmlThird Party Advisory
http://secunia.com/advisories/59866Broken Link
http://www.debian.org/security/2014/dsa-2918Third Party Advisory
http://www.debian.org/security/2014/dsa-2924Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-38.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlThird Party Advisory
http://www.securityfocus.com/bid/67131Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030163Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030164Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030165Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2185-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2189-1Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=989183Exploit, Issue Tracking, Vendor Advisory
https://security.gentoo.org/glsa/201504-01Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132332.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00006.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00015.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00013.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00033.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00040.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0448.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0449.htmlThird Party Advisory
http://secunia.com/advisories/59866Broken Link
http://www.debian.org/security/2014/dsa-2918Third Party Advisory
http://www.debian.org/security/2014/dsa-2924Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-38.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlThird Party Advisory
http://www.securityfocus.com/bid/67131Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030163Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030164Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030165Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2185-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2189-1Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=989183Exploit, Issue Tracking, Vendor Advisory
https://security.gentoo.org/glsa/201504-01Third Party Advisory

Timeline

Published: Apr 30, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-1524?

How severe is CVE-2014-1524?

CVE-2014-1524 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 7.54% probability of exploitation in the next 30 days.

How do I fix CVE-2014-1524?

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-2014-1524?

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

Scan your code now

Source: NVD / NIST