{"id":"JLSEC-2025-52","summary":"`xmltok_impl.c` in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as...","details":"`xmltok_impl.c` in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.","modified":"2026-07-23T22:30:29.019657528Z","published":"2025-10-14T15:35:41.198Z","upstream":["CVE-2022-25235"],"database_specific":{"license":"CC-BY-4.0","sources":[{"imported":"2026-07-17T21:02:55.657Z","modified":"2026-06-17T04:33:15.017Z","published":"2022-02-16T01:15:07.607Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2022-25235","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2022-25235","database_specific":{"status":"Modified"},"id":"CVE-2022-25235"}]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2022/02/19/1"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf"},{"type":"WEB","url":"https://github.com/libexpat/libexpat/pull/562"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202209-24"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20220303-0008/"},{"type":"WEB","url":"https://www.debian.org/security/2022/dsa-5085"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"}],"affected":[{"package":{"name":"Expat_jll","ecosystem":"Julia","purl":"pkg:julia/Expat_jll?uuid=2e619515-83b5-522b-bb60-26c02a35a201"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.4.8+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2025/JLSEC-2025-52.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}