CVE-2006-7230 (GCVE-0-2006-7230)
Vulnerability from cvelistv5 – Published: 2007-11-15 19:00 – Updated: 2024-08-07 20:57
VLAI
EPSS
VEX
Summary
Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate the amount of memory needed for a compiled regular expression pattern when the (1) -x or (2) -i UTF-8 options change within the pattern, which allows context-dependent attackers to cause a denial of service (PCRE or glibc crash) via crafted regular expressions.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
28 references
Date Public
2006-12-19 00:00
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"url": "http://security.gentoo.org/glsa/glsa-200805-11.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2008/dsa-1570"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:030"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2007_62_pcre.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.pcre.org/changelog.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2007-1059.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2007-1068.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/26550"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=384801"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10911"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-189"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:*",
"matchCriteriaId": "9AF2E20E-2F95-4164-9E9C-FBFD5FEBFC2E",
"versionEndIncluding": "6.9",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate the amount of memory needed for a compiled regular expression pattern when the (1) -x or (2) -i UTF-8 options change within the pattern, which allows context-dependent attackers to cause a denial of service (PCRE or glibc crash) via crafted regular expressions."
},
{
"lang": "es",
"value": "La librer\u00eda Perl-Compatible Regular Expression (PCRE) anterior a 7.0 no calcula adecuadamente la cantidad de memoria necesaria para un patr\u00f3n de expresi\u00f3n regular compilada cuando las opciones de UTF-8 (1) -x o (2) -i cambian dentro del patr\u00f3n, lo cual permite a atacantes remotos dependientes del contexto provocar una denegaci\u00f3n de servicio (ca\u00edda de PCRE o de glibc) mediante una expresi\u00f3n regular manipulada."
}
],
"id": "CVE-2006-7230",
"lastModified": "2026-04-23T00:35:47.467",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2007-11-15T19:46:00.000",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://bugs.gentoo.org/show_bug.cgi?id=198976"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/27741"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/27773"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/28041"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/28406"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/28414"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/28658"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/28714"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/28720"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/30106"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/30155"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/30219"
},
{
"source": "secalert@redhat.com",
"url": "http://security.gentoo.org/glsa/glsa-200711-30.xml"
},
{
"source": "secalert@redhat.com",
"url": "http://security.gentoo.org/glsa/glsa-200801-02.xml"
},
{
"source": "secalert@redhat.com",
"url": "http://security.gentoo.org/glsa/glsa-200801-18.xml"
},
{
"source": "secalert@redhat.com",
"url": "http://security.gentoo.org/glsa/glsa-200801-19.xml"
},
{
"source": "secalert@redhat.com",
"url": "http://security.gentoo.org/glsa/glsa-200805-11.xml"
},
{
"source": "secalert@redhat.com",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2008/dsa-1570"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:030"
},
{
"source": "secalert@redhat.com",
"url": "http://www.novell.com/linux/security/advisories/2007_62_pcre.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.pcre.org/changelog.txt"
},
{
"source": "secalert@redhat.com",
"url": "http://www.redhat.com/support/errata/RHSA-2007-1059.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.redhat.com/support/errata/RHSA-2007-1068.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/26550"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=384801"
},
{
"source": "secalert@redhat.com",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10911"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://bugs.gentoo.org/show_bug.cgi?id=198976"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/27741"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/27773"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/28041"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/28406"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/28414"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/28658"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/28714"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/28720"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/30106"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/30155"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/30219"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-200711-30.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-200801-02.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-200801-18.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-200801-19.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-200805-11.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2008/dsa-1570"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2008:030"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.novell.com/linux/security/advisories/2007_62_pcre.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.pcre.org/changelog.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2007-1059.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.redhat.com/support/errata/RHSA-2007-1068.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/26550"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=384801"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10911"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-189"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2025-11-21T13:18:19+00:00",
"cve": "CVE-2006-7230",
"id": "CVE-2006-7230",
"initial_release_date": "2006-01-01T00:00:00+00:00",
"product_status:fixed": "150",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "pcre miscalculation of memory requirements if options are changed during pattern compilation",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2006/cve-2006-7230.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2023-12-09T03:41:31Z",
"cve": "CVE-2006-7230",
"id": "CVE-2006-7230",
"initial_release_date": "2023-02-15T06:13:31Z",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2006-7230",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2006-7230.json",
"version": "4"
}
}
}
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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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