{"cve":"CVE-2022-22827","nvd":{"published":"2022-01-10T14:12:57.363","modified":"2026-10-14T16:17:26.453","status":"Modified","description":"storeAtts in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-190"],"references":["http://www.openwall.com/lists/oss-security/2022/01/17/3","https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf","https://github.com/libexpat/libexpat/pull/539","https://security.gentoo.org/glsa/202209-24","https://www.debian.org/security/2022/dsa-5073"],"products":["debian:debian_linux","libexpat_project:libexpat","siemens:sinema_remote_connect_server","tenable:nessus"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2022-22827","score":0.0296,"percentile":0.87102,"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."]}