FKIE_CVE-2015-4487
Vulnerability from fkie_nvd - Published: 2015-08-16 01:59 - Updated: 2026-06-17 00:27
Severity
Summary
The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, related to an "overflow."
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| mozilla | firefox | * | |
| mozilla | firefox | 38.0 | |
| mozilla | firefox | 38.0.1 | |
| mozilla | firefox | 38.0.5 | |
| mozilla | firefox | 38.1.0 | |
| mozilla | firefox_os | * | |
| canonical | ubuntu_linux | 12.04 | |
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 15.04 | |
| opensuse | opensuse | 13.1 | |
| opensuse | opensuse | 13.2 | |
| oracle | solaris | 11.3 |
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}
]
}
],
"source": "security@mozilla.org"
}
],
"configurations": [
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"cveTags": [],
"descriptions": [
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"lang": "en",
"value": "The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, related to an \"overflow.\""
},
{
"lang": "es",
"value": "Vulnerabilidad en la funci\u00f3n nsTSubstring::ReplacePrep en Mozilla Firefox en versiones anteriores a 40.0, Firefox ESR 38.x en versiones anteriores a 38.2 y Firefox OS en versiones anteriores a 2.2, podr\u00eda permitir a atacantes remotos provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) o posiblemente tener otro impacto no especificado a trav\u00e9s de vectores desconocidos, relacionado con un \u0027desbordamiento\u0027."
}
],
"id": "CVE-2015-4487",
"lastModified": "2026-06-17T00:27:22.860",
"metrics": {
"cvssMetricV2": [
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"acInsufInfo": true,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
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"published": "2015-08-16T01:59:15.067",
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"url": "http://rhn.redhat.com/errata/RHSA-2015-1586.html"
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{
"source": "security@mozilla.org",
"url": "http://rhn.redhat.com/errata/RHSA-2015-1682.html"
},
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"url": "http://www.debian.org/security/2015/dsa-3333"
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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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