FKIE_CVE-2006-1991
Vulnerability from fkie_nvd - Published: 2006-04-24 23:02 - Updated: 2026-06-16 22:24
Severity
Summary
The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause a denial of service (memory access violation) via an out-of-bounds offset argument.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:php:php:5.1.2:*:*:*:*:*:*:*",
"matchCriteriaId": "11E5715F-A8BC-49EF-836B-BB78E1BC0790",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause a denial of service (memory access violation) via an out-of-bounds offset argument."
},
{
"lang": "es",
"value": "La funci\u00f3n substr_compare en string.c en PHP 5.1.2 permite a atacantes dependientes del contexto provocar una denegaci\u00f3n de servicio (violaci\u00f3n de acceso a memoria) a trav\u00e9s de un argumento de desplazamiento fuera de los l\u00edmites."
}
],
"id": "CVE-2006-1991",
"lastModified": "2026-06-16T22:24:05.350",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.4,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2006-04-24T23:02:00.000",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/20052"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/20269"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/20676"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/21125"
},
{
"source": "secalert@redhat.com",
"url": "http://security.gentoo.org/glsa/glsa-200605-08.xml"
},
{
"source": "secalert@redhat.com",
"url": "http://securitytracker.com/id?1015979"
},
{
"source": "secalert@redhat.com",
"tags": [
"Exploit"
],
"url": "http://www.infigo.hr/en/in_focus/advisories/INFIGO-2006-04-02"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2006:091"
},
{
"source": "secalert@redhat.com",
"url": "http://www.novell.com/linux/security/advisories/2006_31_php.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.ubuntu.com/usn/usn-320-1"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2006/1500"
},
{
"source": "secalert@redhat.com",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/26003"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/20052"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/20269"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/20676"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/21125"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-200605-08.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://securitytracker.com/id?1015979"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit"
],
"url": "http://www.infigo.hr/en/in_focus/advisories/INFIGO-2006-04-02"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2006:091"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2006_31_php.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/usn-320-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2006/1500"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/26003"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-399"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Loading…
Loading…
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.
Loading…
Loading…
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.
Loading…
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.
Loading…