{"cve":"CVE-2022-23852","nvd":{"published":"2022-01-24T02:15:06.733","modified":"2026-10-14T16:17:27.353","status":"Modified","description":"Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-190"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf","https://github.com/libexpat/libexpat/pull/550","https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html","https://security.gentoo.org/glsa/202209-24","https://security.netapp.com/advisory/ntap-20220217-0001/"],"products":["debian:debian_linux","libexpat_project:libexpat","netapp:clustered_data_ontap","netapp:oncommand_workflow_automation","oracle:communications_metasolv_solution","siemens:sinema_remote_connect_server","tenable:nessus"],"source":"nvd","synced_at":"2026-10-19T21:27:20.926095847+00:00"},"epss":{"cve":"CVE-2022-23852","score":0.05083,"percentile":0.92283,"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."]}