FKIE_CVE-2007-4766
Vulnerability from fkie_nvd - Published: 2007-11-07 23:46 - Updated: 2026-06-16 22:44
Severity
Summary
Multiple integer overflows in Perl-Compatible Regular Expression (PCRE) library before 7.3 allow context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via unspecified escape (backslash) sequences.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
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"criteria": "cpe:2.3:a:pcre:pcre:*:*:*:*:*:*:*:*",
"matchCriteriaId": "4523717D-521B-48D3-9664-07489B886917",
"versionEndIncluding": "7.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Multiple integer overflows in Perl-Compatible Regular Expression (PCRE) library before 7.3 allow context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via unspecified escape (backslash) sequences."
},
{
"lang": "es",
"value": "M\u00faltiples desbordamientos de entero en la librer\u00eda Perl-Compatible Regular Expression (PCRE) naterior a 7.3 permiten a atacantes locales o remotos (dependiendo del contexto) provocar una denegaci\u00f3n de servicio (ca\u00edda) o ejecutar c\u00f3digo de su elecci\u00f3n mediante secuencias de escape (backslash) no especificadas."
}
],
"id": "CVE-2007-4766",
"lastModified": "2026-06-16T22:44:44.310",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"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,
"obtainOtherPrivilege": true,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2007-11-07T23:46:00.000",
"references": [
{
"source": "cve@mitre.org",
"url": "http://bugs.gentoo.org/show_bug.cgi?id=198976"
},
{
"source": "cve@mitre.org",
"url": "http://docs.info.apple.com/article.html?artnum=307179"
},
{
"source": "cve@mitre.org",
"url": "http://docs.info.apple.com/article.html?artnum=307562"
},
{
"source": "cve@mitre.org",
"url": "http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html"
},
{
"source": "cve@mitre.org",
"url": "http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html"
},
{
"source": "cve@mitre.org",
"url": "http://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/27538"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/27543"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/27554"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/27697"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/27741"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/27773"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/28136"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/28406"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/28414"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/28714"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/28720"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/29267"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/29420"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/30106"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/30155"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/30219"
},
{
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"url": "http://security.gentoo.org/glsa/glsa-200711-30.xml"
},
{
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"url": "http://security.gentoo.org/glsa/glsa-200801-02.xml"
},
{
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"url": "http://security.gentoo.org/glsa/glsa-200801-18.xml"
},
{
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"url": "http://security.gentoo.org/glsa/glsa-200801-19.xml"
},
{
"source": "cve@mitre.org",
"url": "http://security.gentoo.org/glsa/glsa-200805-11.xml"
},
{
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"tags": [
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],
"url": "http://www.debian.org/security/2007/dsa-1399"
},
{
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"url": "http://www.debian.org/security/2008/dsa-1570"
},
{
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"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:211"
},
{
"source": "cve@mitre.org",
"url": "http://www.novell.com/linux/security/advisories/2007_62_pcre.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.pcre.org/changelog.txt"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/archive/1/483357/100/0/threaded"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/archive/1/483579/100/0/threaded"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/26346"
},
{
"source": "cve@mitre.org",
"tags": [
"US Government Resource"
],
"url": "http://www.us-cert.gov/cas/techalerts/TA07-352A.html"
},
{
"source": "cve@mitre.org",
"url": "http://www.vupen.com/english/advisories/2007/3725"
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{
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},
{
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{
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"url": "http://www.vupen.com/english/advisories/2008/0924/references"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/38276"
},
{
"source": "cve@mitre.org",
"url": "https://issues.rpath.com/browse/RPL-1738"
},
{
"source": "cve@mitre.org",
"url": "https://usn.ubuntu.com/547-1/"
},
{
"source": "cve@mitre.org",
"url": "https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00181.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://bugs.gentoo.org/show_bug.cgi?id=198976"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://docs.info.apple.com/article.html?artnum=307179"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://docs.info.apple.com/article.html?artnum=307562"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/27538"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/27543"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/27554"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/27697"
},
{
"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/28136"
},
{
"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/28714"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/28720"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/29267"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/29420"
},
{
"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",
"tags": [
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],
"url": "http://www.debian.org/security/2007/dsa-1399"
},
{
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},
{
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"url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:211"
},
{
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},
{
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"url": "http://www.pcre.org/changelog.txt"
},
{
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"url": "http://www.securityfocus.com/archive/1/483357/100/0/threaded"
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{
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"url": "http://www.securityfocus.com/archive/1/483579/100/0/threaded"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/26346"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://www.us-cert.gov/cas/techalerts/TA07-352A.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2007/3725"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2007/3790"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2007/4238"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.vupen.com/english/advisories/2008/0924/references"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/38276"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://issues.rpath.com/browse/RPL-1738"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://usn.ubuntu.com/547-1/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00181.html"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-189"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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