CVE-2011-0491

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versiones anteriores a la 0.2.1.29 y 0.2.2.x anteriores a la 0.2.2.21-alpha no valida el tama\u00f1o de determinado valor durante la reserva de memoria, lo que puede permitir a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda del demonio) a trav\u00e9s de vectores sin especificar. Relacioando con errores de \"underflow\"."}], "id": "CVE-2011-0491", "lastModified": "2026-06-16T23:27:29.753", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-01-19T12:00:20.047", "references": [{"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://archives.seul.org/or/announce/Jan-2011/msg00000.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://blog.torproject.org/blog/tor-02129-released-security-patches"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/45953"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64888"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog"}, {"source": "cve@mitre.org", "url": "https://trac.torproject.org/projects/tor/ticket/2324"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://archives.seul.org/or/announce/Jan-2011/msg00000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://blog.torproject.org/blog/tor-02129-released-security-patches"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/45953"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64888"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://trac.torproject.org/projects/tor/ticket/2324"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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