HOMEVULNERABILITIESCVE-2014-1512
CRITICAL

CVE-2014-1512

CWE-416Published: March 19, 2014· Updated: Jun 17, 2026

10.0
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2014-1512 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
Mozilla3 product(s)
firefoxseamonkeythunderbird
openSUSE1 product(s)
opensuse
Red Hat7 product(s)
enterprise linux desktopenterprise linux eusenterprise linux serverenterprise linux server ausenterprise linux server eusenterprise linux server tusenterprise linux workstation
SUSE3 product(s)
suse linux enterprise software development kitsuse linux enterprise desktopsuse linux enterprise server
Source: NVD CPE · 24 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (30)

Quick Facts

CVE IDCVE-2014-1512
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-416
CISA KEVNo
Affected6 vendor(s)
PublishedMar 19, 2014

Related CVEs (CWE-416)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2014-1512 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.