CVE-2015-5523

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denial of service (crash) via vectors involving multiple whitespace characters before an empty href, which triggers a large memory allocation."}, {"lang": "es", "value": "Vulnerabilidad en la funci\u00f3n ParseValue en lexer.c en tidy en versiones anteriores a 4.9.31, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de vectores implicando m\u00faltiples espacios en blanco antes de un href vac\u00edo, lo que desencadena una asignaci\u00f3n de memoria de gran tama\u00f1o."}], "id": "CVE-2015-5523", "lastModified": "2026-06-17T00:29:16.440", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}]}, "published": "2015-08-11T14:59:15.430", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2015/dsa-3309"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://www.openwall.com/lists/oss-security/2015/06/04/2"}, {"source": "cve@mitre.org", "tags": ["Exploit"], 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{"bugzilla": {"description": "tidy: heap buffer overflow in ParseValue()", "id": "1228297", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1228297"}, "csaw": false, "cvss": {"cvss_base_score": "5.1", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "status": "draft"}, "cwe": "CWE-122", "details": ["The ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving multiple whitespace characters before an empty href, which triggers a large memory allocation.", "It was discovered that tidy did not properly process certain character sequences. By tricking an application that is using tidy into processing a specially crafted HTML document, a remote attacker could exploit this flaw to cause a crash or, possibly, execute arbitrary code with the privileges of the affected application."], "name": "CVE-2015-5523", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "tidy", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2015-06-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-5523\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-5523"], "threat_severity": "Moderate"}

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