{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-38852", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-11-04T22:04:54.560Z", "dateReserved": "2023-07-25T00:00:00.000Z", "datePublished": "2023-08-15T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-02-27T03:06:34.676Z"}, "descriptions": [{"lang": "en", "value": "Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the unicode_decode_wcstombs function in xlstool.c:266."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/libxls/libxls/issues/124"}, {"name": "FEDORA-2024-e74783429c", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/"}, {"name": "FEDORA-2024-8b67e47e43", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/libxls/libxls/issues/124", "tags": ["x_transferred"]}, {"name": "FEDORA-2024-e74783429c", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/"}, {"name": "FEDORA-2024-8b67e47e43", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-04T22:04:54.560Z"}}]}}

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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:libxls_project:libxls:1.6.2:*:*:*:*:*:*:*", "matchCriteriaId": "716193D2-B36C-4AED-BB10-43E8E89E2E0A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the unicode_decode_wcstombs function in xlstool.c:266."}, {"lang": "es", "value": "La vulnerabilidad de desbordamiento del b\u00fafer en libxls v.1.6.2 permite a un atacante remoto ejecutar c\u00f3digo arbitrario y provocar una denegaci\u00f3n de servicio a trav\u00e9s de un archivo XLS manipulado a la funci\u00f3n unicode_decode_wcstombs en xlstool.c:266.\n"}], "id": "CVE-2023-38852", "lastModified": "2026-06-17T06:11:11.787", "metrics": {"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": "2023-08-15T17:15:10.760", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking"], "url": "https://github.com/libxls/libxls/issues/124"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking"], "url": "https://github.com/libxls/libxls/issues/124"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JQYGEBDBCOWBRHOW44BSSRADUOZBXHUE/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YHBUPYF2NX34HNAWZ3WYHKWU3KWVQUSV/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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