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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:http_server:2.0.59:*:*:*:*:*:*:*", "matchCriteriaId": "5236DC61-5557-4C24-8F5B-F48548448588", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:http_server:2.2.4:*:*:*:*:*:*:*", "matchCriteriaId": "A894BED6-C97D-4DA4-A13D-9CB2B3306BC5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Apache httpd 2.0.59 and 2.2.4, with the Prefork MPM module, allows local users to cause a denial of service via certain code sequences executed in a worker process that (1) stop request processing by killing all worker processes and preventing creation of replacements or (2) hang the system by forcing the master process to fork an arbitrarily large number of worker processes. NOTE: This might be an inherent design limitation of Apache with respect to worker processes in hosted environments."}, {"lang": "es", "value": "Apache httpd 2.0.59 y 2.2.4, con el m\u00f3dulo Prefork MPM, permite a usuarios locales provocar una denegaci\u00f3n de servicio mediante ciertas secuencias de c\u00f3digo ejecutadas en un proceso trabajador que (1) para el procesamiento de una petici\u00f3n matando todos los procesos trabajadores y previniendo la creaci\u00f3n de reemplazos o (2) cuelga el sistema forzando al proceso maestro a crear un n\u00famero arbitrario de procesos trabajadores. NOTA: esto podr\u00eda ser una limitaci\u00f3n inherente de dise\u00f1o de Apache con respecto a procesos trabajadores en entornos host."}], "id": "CVE-2007-3303", "lastModified": "2026-04-23T00:35:47.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2007-06-20T22:30:00.000", "references": [{"source": "cve@mitre.org", "url": "http://osvdb.org/37050"}, {"source": "cve@mitre.org", "url": "http://security.psnc.pl/files/apache_report.pdf"}, {"source": "cve@mitre.org", "url": "http://securityreason.com/securityalert/2814"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/469899/100/0/threaded"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/471832/100/0/threaded"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/24215"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://osvdb.org/37050"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://security.psnc.pl/files/apache_report.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://securityreason.com/securityalert/2814"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/469899/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/471832/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/24215"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "In the security model used by Apache httpd, the less-privileged child processes completely handle the servicing of new connections. Any local user who is able to run arbitrary code in those children is therefore able to prevent new requests from being serviced, by design. Such\nusers will also be able to "simulate" server load and force the parent to create children up to the configured limits, by design.\n\nA server with untrusted local users must be configured to use a solution like "suexec" if its required to allow the users to execute CGI (etc) scripts.\n", "lastModified": "2008-07-02T00:00:00", "organization": "Apache"}, {"comment": "Not a vulnerability. In the security model used by Apache httpd, the less-privileged child processes (running as the "apache" user) completely handle the servicing of new connections. Any local user who is able to run arbitrary code in those children is therefore able to prevent new requests from being serviced, by design. Such users will also be able to "simulate" server load and force the parent to create children up to the configured limits, by design.", "lastModified": "2007-06-26T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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