CVE-2007-4770 (GCVE-0-2007-4770)
Vulnerability from cvelistv5 – Published: 2008-01-28 23:00 – Updated: 2024-08-07 15:08
VLAI
EPSS
VEX
Summary
libicu in International Components for Unicode (ICU) 3.8.1 and earlier attempts to process backreferences to the nonexistent capture group zero (aka \0), which might allow context-dependent attackers to read from, or write to, out-of-bounds memory locations, related to corruption of REStackFrames.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
40 references
Date Public
2008-01-22 00:00
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"dateReserved": "2007-09-10T00:00:00.000Z",
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"date": "2026-09-18",
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"percentile": "0.86471"
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{
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
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{
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{
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"value": "CWE-399"
}
],
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"type": "Primary"
}
]
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\\/c\\+\\+:*:*",
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}
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}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "libicu in International Components for Unicode (ICU) 3.8.1 and earlier attempts to process backreferences to the nonexistent capture group zero (aka \\0), which might allow context-dependent attackers to read from, or write to, out-of-bounds memory locations, related to corruption of REStackFrames."
},
{
"lang": "es",
"value": "libicu de International Components for Unicode (ICU) 3.8.1 y versiones anteriores intenta procesar referencias a un grupo de captura no existente cero (tambi\u00e9n conocido como \\0), lo cual podr\u00eda permitir a atacantes locales o remotos dependientes del contexto leer desde, \u00f3 escribir en, direcciones de memoria fuera de los l\u00edmites, relativo a corrupci\u00f3n de REStackFrames.\r\n"
}
],
"id": "CVE-2007-4770",
"lastModified": "2026-04-23T00:35:47.467",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": true,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2008-01-29T00:00:00.000",
"references": [
{
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"tags": [
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],
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},
{
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],
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},
{
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{
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},
{
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],
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},
{
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"tags": [
"Third Party Advisory"
],
"url": "http://www.vupen.com/english/advisories/2008/1375/references"
},
{
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"tags": [
"Issue Tracking",
"Third Party Advisory"
],
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},
{
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"tags": [
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"VDB Entry"
],
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},
{
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],
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{
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},
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},
{
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
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],
"url": "http://secunia.com/advisories/29194"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://secunia.com/advisories/29242"
},
{
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},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
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],
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},
{
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"tags": [
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],
"url": "http://secunia.com/advisories/29333"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://secunia.com/advisories/29852"
},
{
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],
"url": "http://secunia.com/advisories/29910"
},
{
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"tags": [
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],
"url": "http://secunia.com/advisories/29987"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://secunia.com/advisories/30179"
},
{
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},
{
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}
],
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"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-399"
}
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"type": "Primary"
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]
}
},
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2025-11-21T13:17:36+00:00",
"cve": "CVE-2007-4770",
"id": "CVE-2007-4770",
"initial_release_date": "2007-01-01T00:00:00+00:00",
"product_status:fixed": "96",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libicu poor back reference validation",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2007/cve-2007-4770.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-08-27T02:19:17Z",
"cve": "CVE-2007-4770",
"id": "CVE-2007-4770",
"initial_release_date": "2023-02-15T06:10:58Z",
"product_status:recommended": "57",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2007-4770",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2007-4770.json",
"version": "13"
}
}
}
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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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