CVE-2012-0467

CRITICAL

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and...

Affects 4 products across 1 vendor.

CVSS 2.010.0
EPSS5.6%
Percentile93th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2012. A critical vulnerability affects Mozilla systems (CVE-2012-0467). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2012-GLOBAL-090069-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2012-0467?
This vulnerability was disclosed in 2012. A critical vulnerability affects Mozilla systems (CVE-2012-0467). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2012-0467?
CVE-2012-0467 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 5.6%.
Is CVE-2012-0467 actively exploited?
No confirmed active exploitation of CVE-2012-0467 as of 2026-09-25.
How do I remediate CVE-2012-0467?
Priority: MEDIUM. Advisory: http://www.mozilla.org/security/announce/2012/mfsa2012-20.html PSIRT: [email protected]
What systems are affected by CVE-2012-0467?
CVE-2012-0467 affects Mozilla Firefox, Thunderbird, Seamonkey, Thunderbird Esr.
Vulnerability Details
CVE IDCVE-2012-0467
BSIDBS-2012-GLOBAL-090069-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2012-04-25
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Mozilla Firefox 4.0 4.0.1 5.0 5.0.1 6.0 6.0.1
+12 more6.0.2 7.0 7.0.1 8.0 8.0.1 9.0 9.0.1 10.0 10.0.1 10.0.2 10.0.3 11.0
Mozilla Thunderbird 5.0 6.0 6.0.1 6.0.2 7.0 7.0.1
+9 more8.0 9.0 9.0.1 10.0 10.0.1 10.0.2 10.0.3 10.0.4 11.0
Mozilla Seamonkey ≤ 2.9
Mozilla Thunderbird Esr 10.0 10.0.1 10.0.2 10.0.3
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 5287 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash2b45af2a986d495e337f438f9a1d9ae03eb1468d29e29e1b08cb5403e27ae18ee20eea8b13f160867fb524205e8c478a39d46422247003b81dd2b94d7f0a3ce0
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