CVE-2003-1564

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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:xmlsoft:libxml2:*:*:*:*:*:*:*:*", "matchCriteriaId": "FFC0B453-3262-463A-9748-EC2863D58401", "versionEndExcluding": "2.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "libxml2, possibly before 2.5.0, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, aka the \"billion laughs attack.\""}], "id": "CVE-2003-1564", "lastModified": "2026-06-16T22:04:39.947", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 9.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 10.0, "obtainAllPrivilege": true, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2003-12-31T05:00:00.000", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Patch"], "url": "http://mail.gnome.org/archives/xml/2008-August/msg00034.html"}, {"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "http://secunia.com/advisories/31868"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking"], "url": "http://www.reddit.com/r/programming/comments/65843/time_to_upgrade_libxml2"}, {"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "http://www.redhat.com/support/errata/RHSA-2008-0886.html"}, {"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "http://www.stylusstudio.com/xmldev/200302/post20020.html"}, {"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "http://xmlsoft.org/news.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch"], "url": "http://mail.gnome.org/archives/xml/2008-August/msg00034.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://secunia.com/advisories/31868"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "http://www.reddit.com/r/programming/comments/65843/time_to_upgrade_libxml2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.redhat.com/support/errata/RHSA-2008-0886.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.stylusstudio.com/xmldev/200302/post20020.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "http://xmlsoft.org/news.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-776"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2008:0886", "cpe": "cpe:/o:redhat:enterprise_linux:2.1", "package": "libxml2-0:2.4.19-11.ent", "product_name": "Red Hat Enterprise Linux 2.1", "release_date": "2008-09-11T00:00:00Z"}], "bugzilla": {"description": "libxml2: billion laughs DoS attack", "id": "461107", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=461107"}, "csaw": false, "details": ["libxml2, possibly before 2.5.0, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, aka the \"billion laughs attack.\""], "name": "CVE-2003-1564", "public_date": "2003-02-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2003-1564\nhttps://nvd.nist.gov/vuln/detail/CVE-2003-1564"], "threat_severity": "Moderate"}

{}