CVE-2026-72522

{"id": "CVE-2026-72522", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72522", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-13T12:39:09.978860Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.5}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "libexpat project", "product": "libexpat", "versions": [{"status": "affected", "version": "0", "lessThan": "2.8.3", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-10T04:16:50.910", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2053153", "source": "cve@mitre.org"}, {"url": "https://github.com/libexpat/libexpat/pull/1296", "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/08/11/5", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions."}, {"lang": "es", "value": "libexpat anterior a la versi\u00f3n 2.8.3 presenta una lectura fuera de l\u00edmites y un bucle infinito resultante porque los subrogados bajos se tratan igual que los subrogados altos durante el procesamiento Unicode en las funciones *_toUtf16."}], "lastModified": "2026-10-24T15:10:00.190", "sourceIdentifier": "cve@mitre.org"}