CVE-2012-3989 (GCVE-0-2012-3989)
Vulnerability from cvelistv5 – Published: 2012-10-10 17:00 – Updated: 2024-08-06 20:21
VLAI
EPSS
VEX
Summary
Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly perform a cast of an unspecified variable during use of the instanceof operator on a JavaScript object, which allows remote attackers to execute arbitrary code or cause a denial of service (assertion failure) via a crafted web site.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
11 references
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|---|---|
| http://secunia.com/advisories/50904 | third-party-advisoryx_refsource_SECUNIA |
| http://secunia.com/advisories/50984 | third-party-advisoryx_refsource_SECUNIA |
| http://secunia.com/advisories/50935 | third-party-advisoryx_refsource_SECUNIA |
| https://bugzilla.mozilla.org/show_bug.cgi?id=783867 | x_refsource_CONFIRM |
| http://secunia.com/advisories/50856 | third-party-advisoryx_refsource_SECUNIA |
| http://secunia.com/advisories/50892 | third-party-advisoryx_refsource_SECUNIA |
| http://osvdb.org/86097 | vdb-entryx_refsource_OSVDB |
| https://oval.cisecurity.org/repository/search/def… | vdb-entrysignaturex_refsource_OVAL |
| http://www.mozilla.org/security/announce/2012/mfs… | x_refsource_CONFIRM |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://www.ubuntu.com/usn/USN-1611-1 | vendor-advisoryx_refsource_UBUNTU |
Date Public
2012-10-09 00:00
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*",
"matchCriteriaId": "00720D8C-3FF3-4B1C-B74B-91F01A544399",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:*",
"matchCriteriaId": "D1D7B467-58DD-45F1-9F1F-632620DF072A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:-:*:*",
"matchCriteriaId": "88D6E858-FD8F-4C55-B7D5-CEEDA2BBA898",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:*",
"matchCriteriaId": "DB4D6749-81A1-41D7-BF4F-1C45A7F49A22",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly perform a cast of an unspecified variable during use of the instanceof operator on a JavaScript object, which allows remote attackers to execute arbitrary code or cause a denial of service (assertion failure) via a crafted web site."
},
{
"lang": "es",
"value": "Mozilla Firefox v16.0, Thunderbird antes de v16.0, Thunderbird ESR v10.x antes de v10.0.8, y SeaMonkey antes de v2.13, no realiza una conversi\u00f3n de una variable no especificada durante el uso del operador instanceof en un objeto de JavaScript, lo que permite a atacantes remotos ejecutar c\u00f3digo arbitrario o causar una denegaci\u00f3n de servicio (error de aserci\u00f3n) a trav\u00e9s de un sitio web manipulado."
}
],
"id": "CVE-2012-3989",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.3,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
]
},
"published": "2012-10-10T17:55:01.847",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://osvdb.org/86097"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://secunia.com/advisories/50856"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://secunia.com/advisories/50892"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://secunia.com/advisories/50904"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://secunia.com/advisories/50935"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link"
],
"url": "http://secunia.com/advisories/50984"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://www.mozilla.org/security/announce/2012/mfsa2012-80.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "http://www.ubuntu.com/usn/USN-1611-1"
},
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=783867"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16814"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://osvdb.org/86097"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://secunia.com/advisories/50856"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://secunia.com/advisories/50892"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://secunia.com/advisories/50904"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://secunia.com/advisories/50935"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://secunia.com/advisories/50984"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.mozilla.org/security/announce/2012/mfsa2012-80.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://www.ubuntu.com/usn/USN-1611-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=783867"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16814"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Critical",
"current_release_date": "2025-11-21T12:50:05+00:00",
"cve": "CVE-2012-3989",
"id": "CVE-2012-3989",
"initial_release_date": "2012-10-09T00:00:00+00:00",
"product_status:known_not_affected": "6",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Mozilla: Crash with invalid cast when using instanceof operator (MFSA 2012-80)",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-3989.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-23T00:52:45Z",
"cve": "CVE-2012-3989",
"id": "CVE-2012-3989",
"initial_release_date": "2023-02-15T05:45:14Z",
"product_status:known_affected": "2",
"product_status:recommended": "158",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2012-3989",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-3989.json",
"version": "20"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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