CVE-2015-8855

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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:nodejs:node.js:*:*:*:*:*:*:*:*", "matchCriteriaId": "848035BC-647E-497A-B89F-53427DB791E5", "versionEndIncluding": "4.3.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The semver package before 4.3.2 for Node.js allows attackers to cause a denial of service (CPU consumption) via a long version string, aka a \"regular expression denial of service (ReDoS).\""}, {"lang": "es", "value": "El paquete semver en versiones anteriores a 4.3.2 para Node.js permite a atacantes provocar una denegaci\u00f3n de servicio (consumo de CPU) a trav\u00e9s de una cadena de versi\u00f3n larga, vulnerabilidad tambi\u00e9n conocida como \"denegaci\u00f3n de servicio de expresi\u00f3n regular (ReDoS)\"."}], "id": "CVE-2015-8855", "lastModified": "2026-06-17T00:35:22.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-01-23T21:59:00.503", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/04/20/11"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/86957"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://nodesecurity.io/advisories/31"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/04/20/11"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/86957"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://nodesecurity.io/advisories/31"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "nodejs-semver: npm Regular Expression Denial of Service during package versions parsing", "id": "1209496", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1209496"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "cwe": "CWE-400", "details": ["The semver package before 4.3.2 for Node.js allows attackers to cause a denial of service (CPU consumption) via a long version string, aka a \"regular expression denial of service (ReDoS).\"", "A denial of service flaw was found in the way semver, the semantic version comparison library for Node.js, parsed certain package versions. A remote attacker could use a specially crafted version string that, when processed, would lead to excessive CPU consumption."], "name": "CVE-2015-8855", "package_state": [{"cpe": "cpe:/a:redhat:rhel_software_collections:1", "fix_state": "Will not fix", "package_name": "nodejs010-nodejs-semver", "product_name": "Red Hat Software Collections"}], "public_date": "2015-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-8855\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-8855\nhttps://nodesecurity.io/advisories/semver_redos"], "threat_severity": "Moderate"}

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