CVE-2012-4213

highpriority · track · 39EPSS 0.062 · 93 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

6.16% (93rd) EPSS

CVSS 9.3 · high

Is it mine?

19 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Use-after-free vulnerability in the nsEditor::FindNextLeafNode function in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

cvss

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v2.07.9highAV:N/AC:M/Au:N/C:C/I:C/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USprimary

affected products (19)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
canonical ubuntu linux= 10.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 11.10nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 12.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 12.10nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
mozilla firefox< 10.0.11nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox< 17.0nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla seamonkey< 2.14nvdUScpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
mozilla thunderbird< 17.0nvdUScpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla thunderbird esr< 10.0.11nvdUScpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:*
opensuse opensuse= 11.4nvdUScpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
opensuse opensuse= 12.1nvdUScpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
opensuse opensuse= 12.2nvdUScpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
suse linux enterprise desktop= 10nvdUScpe:2.3:o:suse:linux_enterprise_desktop:*:*:*:*:*:*:*:*
suse linux enterprise desktop= 11nvdUScpe:2.3:o:suse:linux_enterprise_desktop:*:*:*:*:*:*:*:*
suse linux enterprise server= 10nvdUScpe:2.3:o:suse:linux_enterprise_server:*:*:*:*:*:*:*:*
suse linux enterprise server= 11nvdUScpe:2.3:o:suse:linux_enterprise_server:*:*:*:*:*:*:*:*
suse linux enterprise software development kit= 10nvdUScpe:2.3:o:suse:linux_enterprise_software_development_kit:*:*:*:*:*:*:*:*
suse linux enterprise software development kit= 11nvdUScpe:2.3:o:suse:linux_enterprise_software_development_kit:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2012-11-21modified 2026-06-16

related (12,286)

Related entries.

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Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
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Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page…
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Use after free in CSS in Google Chrome prior to 145.0.7632.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security sever…

+12281 more

references (57)

External citations — patches, advisories, analysis.

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