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{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "libxml2", "vendor": "xmlsoft", "versions": [{"lessThan": "2.15.4", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a strdup failure, i.e., it does not calculate a string length after NULL checking."}], "id": "CVE-2026-86141", "lastModified": "2026-09-05T05:17:13.007", "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": "2026-09-05T05:17:13.007", "references": [{"source": "cve@mitre.org", "url": "https://github.com/GNOME/libxml2/commit/e89a8aae4c9b40cdafcf66b3f9e57c62db37bb55"}, {"source": "cve@mitre.org", "url": "https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4"}, {"source": "cve@mitre.org", "url": "https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1107"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-252"}], "source": "cve@mitre.org", "type": "Primary"}]}

{}

{"created": "2026-09-05T05:30:17.682835+00:00", "title": "Null Pointer Dereference in libxml2 xmlregexp Parser", "updated": "2026-09-05T05:30:17.682842+00:00", "vendors": []}