CVE-2007-4771

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{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\\/c\\+\\+:*:*", "matchCriteriaId": "8C296240-3851-4E13-8941-F20F6B42EF94", "versionEndIncluding": "3.8.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Heap-based buffer overflow in the doInterval function in regexcmp.cpp in libicu in International Components for Unicode (ICU) 3.8.1 and earlier allows context-dependent attackers to cause a denial of service (memory consumption) and possibly have unspecified other impact via a regular expression that writes a large amount of data to the backtracking stack. NOTE: some of these details are obtained from third party information."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer basado en mont\u00edculo en la funci\u00f3n doInterval de regexcmp.cpp de libicu de International Components for Unicode (ICU) 3.8.1 y versiones anteriores, permite a atacantes locales o remotos dependientes del contexto provocar una denegaci\u00f3n de servicio (agotamiento de memoria) y posiblemente tiene otro impacto desconocido mediante una expresi\u00f3n regular que escribe una gran cantidad de datos en la pila de vuelta atr\u00e1s (backtracking).\r\nNOTA: algunos de estos detalles se han obtenido de informaci\u00f3n de terceros."}], "id": "CVE-2007-4771", "lastModified": "2026-06-16T22:44:45.667", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 9.3, "confidentialityImpact": "COMPLETE", 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{"affected_release": [{"advisory": "RHSA-2008:0090", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "icu-0:3.6-5.11.1", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2008-01-25T00:00:00Z"}], "bugzilla": {"description": "libicu incomplete interval handling", "id": "429025", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=429025"}, "csaw": false, "details": ["Heap-based buffer overflow in the doInterval function in regexcmp.cpp in libicu in International Components for Unicode (ICU) 3.8.1 and earlier allows context-dependent attackers to cause a denial of service (memory consumption) and possibly have unspecified other impact via a regular expression that writes a large amount of data to the backtracking stack. NOTE: some of these details are obtained from third party information."], "name": "CVE-2007-4771", "public_date": "2008-01-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2007-4771\nhttps://nvd.nist.gov/vuln/detail/CVE-2007-4771"], "threat_severity": "Important"}

{}