HOMEVULNERABILITIESCVE-2012-1972
CRITICAL

CVE-2012-1972

CWE-416Published: August 29, 2012· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

Use-after-free vulnerability in the nsHTMLEditor::CollapseAdjacentTextNodes function in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

NVD Source

Technical Analysis

CVE-2012-1972 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
Mozilla4 product(s)
firefoxseamonkeythunderbirdthunderbird esr
openSUSE1 product(s)
opensuse
Red Hat5 product(s)
enterprise linux desktopenterprise linux eusenterprise linux serverenterprise linux server eusenterprise linux workstation
SUSE3 product(s)
linux enterprise desktoplinux enterprise serverlinux enterprise software development kit
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-2012-1972
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-416
CISA KEVNo
Affected6 vendor(s)
PublishedAug 29, 2012

Related CVEs (CWE-416)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2012-1972 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.