FKIE_CVE-2015-8391
Vulnerability from fkie_nvd - Published: 2015-12-02 01:59 - Updated: 2026-06-17 00:34
Severity
Summary
The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [: nesting, which allows remote attackers to cause a denial of service (CPU consumption) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| pcre | pcre | * | |
| oracle | linux | 7 | |
| fedoraproject | fedora | 22 | |
| redhat | enterprise_linux_desktop | 7.0 | |
| redhat | enterprise_linux_eus | 7.2 | |
| redhat | enterprise_linux_eus | 7.3 | |
| redhat | enterprise_linux_eus | 7.4 | |
| redhat | enterprise_linux_eus | 7.5 | |
| redhat | enterprise_linux_eus | 7.6 | |
| redhat | enterprise_linux_eus | 7.7 | |
| redhat | enterprise_linux_server | 7.0 | |
| redhat | enterprise_linux_server_aus | 7.2 | |
| redhat | enterprise_linux_server_aus | 7.3 | |
| redhat | enterprise_linux_server_aus | 7.4 | |
| redhat | enterprise_linux_server_aus | 7.6 | |
| redhat | enterprise_linux_server_aus | 7.7 | |
| redhat | enterprise_linux_server_tus | 7.2 | |
| redhat | enterprise_linux_server_tus | 7.3 | |
| redhat | enterprise_linux_server_tus | 7.6 | |
| redhat | enterprise_linux_server_tus | 7.7 | |
| redhat | enterprise_linux_workstation | 7.0 | |
| php | php | * | |
| php | php | * | |
| php | php | * |
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"cveTags": [],
"descriptions": [
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"lang": "en",
"value": "The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [: nesting, which allows remote attackers to cause a denial of service (CPU consumption) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror."
},
{
"lang": "es",
"value": "La funci\u00f3n pcre_compile en pcre_compile.c en PCRE en versiones anteriores a 8.38 no maneja correctamente cierta anidaci\u00f3n [: , lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (consumo de CPU) o posiblemente tener otro impacto no especificado a trav\u00e9s de una expresi\u00f3n regular manipulada, seg\u00fan lo demostrado por un objeto JavaScript RegExp encontrado por Konqueror."
}
],
"id": "CVE-2015-8391",
"lastModified": "2026-06-17T00:34:26.640",
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"acInsufInfo": false,
"baseSeverity": "HIGH",
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:C",
"version": "2.0"
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"exploitabilityScore": 10.0,
"impactScore": 8.5,
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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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