Is CVE-2014-1512 being actively exploited?

CVE-2014-1512 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-1512?

CVE-2014-1512 has a CVSS 2.0 base score of 10.0 (HIGH).

CVE-2014-1512

HIGH · CVSS 10.0EPSS 29.3%EU EUVD

Use-after-free vulnerability in the TypeObject class in the JavaScript engine in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allows remote attackers to execute arbitrary code by triggering extensive memory consumption while garbage collection is occurring, as demonstrated by improper handling of BumpChunk objects.

Key facts

CVSS score: 10.0 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-416
EPSS score: 29.3% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-1588)
Published: March 19, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-1588 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
debian / debian linux
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://archives.neohapsis.com/archives/bugtraq/2014-03/0145.html(Broken Link)
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00016.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00022.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00016.html(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2014-0310.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2014-0316.html(Third Party Advisory)
http://www.debian.org/security/2014/dsa-2881(Third Party Advisory)
http://www.debian.org/security/2014/dsa-2911(Third Party Advisory)
http://www.mozilla.org/security/announce/2014/mfsa2014-30.html(Vendor Advisory)
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html(Third Party Advisory)
http://www.securityfocus.com/bid/66209(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-2151-1(Third Party Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=982957(Exploit, Issue Tracking, Vendor Advisory)
https://security.gentoo.org/glsa/201504-01(Third Party Advisory)

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

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