{"cve":"CVE-2022-40303","nvd":{"published":"2022-11-23T00:15:11.007","modified":"2026-10-14T18:17:04.783","status":"Modified","description":"An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-190"],"references":["http://seclists.org/fulldisclosure/2022/Dec/21","http://seclists.org/fulldisclosure/2022/Dec/24","http://seclists.org/fulldisclosure/2022/Dec/25","http://seclists.org/fulldisclosure/2022/Dec/26","http://seclists.org/fulldisclosure/2022/Dec/27"],"products":["apple:ipados","apple:iphone_os","apple:macos","apple:tvos","apple:watchos","netapp:active_iq_unified_manager","netapp:clustered_data_ontap","netapp:clustered_data_ontap_antivirus_connector","netapp:h300s_firmware","netapp:h410c_firmware","netapp:h410s_firmware","netapp:h500s_firmware","netapp:h700s_firmware","netapp:netapp_manageability_sdk","netapp:ontap_select_deploy_administration_utility","netapp:snapmanager","xmlsoft:libxml2"],"source":"nvd","synced_at":"2026-10-19T21:37:28.463369388+00:00"},"epss":{"cve":"CVE-2022-40303","score":0.41365,"percentile":0.98661,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}