CVE-2007-1661

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"cpe:2.3:o:apple:mac_os_x_server:10.4.11:*:*:*:*:*:*:*", "matchCriteriaId": "D09D5933-A7D9-4A61-B863-CD8E7D5E67D8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Perl-Compatible Regular Expression (PCRE) library before 7.3 backtracks too far when matching certain input bytes against some regex patterns in non-UTF-8 mode, which allows context-dependent attackers to obtain sensitive information or cause a denial of service (crash), as demonstrated by the \"\\X?\\d\" and \"\\P{L}?\\d\" patterns."}, {"lang": "es", "value": "La librer\u00eda Perl-Compatible Regular Expression (PCRE) anterior a 7.3 vuelve demasiado atr\u00e1s cuando compara determinados bytes de entrada con algunos patrones de expresiones regulares en modo no-UTF-8, lo cual permite a atacantes locales o remotos (dependiendo del contexto) obtener informaci\u00f3n sensible o provocar una denegaci\u00f3n de servicio (ca\u00edda), como se ha demostrado mediante los patrones \"\\X?\\d\" y \"\\P{L}?\\d\"."}], "id": "CVE-2007-1661", "lastModified": "2026-06-16T22:38:03.440", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/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": "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": 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{"bugzilla": {"description": ": pcre < 7.3 non-UTF-8 over-backtracking issue", "id": "392931", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=392931"}, "csaw": false, "details": ["Perl-Compatible Regular Expression (PCRE) library before 7.3 backtracks too far when matching certain input bytes against some regex patterns in non-UTF-8 mode, which allows context-dependent attackers to obtain sensitive information or cause a denial of service (crash), as demonstrated by the \"\\X?\\d\" and \"\\P{L}?\\d\" patterns."], "name": "CVE-2007-1661", "public_date": "2007-11-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2007-1661"], "threat_severity": "Important"}

{}