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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data."}], "id": "CVE-2026-24515", "lastModified": "2026-01-23T08:16:01.490", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 2.9, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 1.4, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-01-23T08:16:01.490", "references": [{"source": "cve@mitre.org", "url": "https://github.com/libexpat/libexpat/pull/1131"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "cve@mitre.org", "type": "Primary"}]}

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