{"id":"JLSEC-2026-379","details":"In libexpat before 2.7.4, `XML_ExternalEntityParserCreate` does not copy unknown encoding handler user data.","modified":"2026-07-25T18:24:43.525949731Z","published":"2026-05-01T17:50:38.295Z","upstream":["CVE-2026-24515"],"database_specific":{"license":"CC-BY-4.0","sources":[{"published":"2026-01-23T08:16:01.490Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-24515","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24515","database_specific":{"status":"Modified"},"id":"CVE-2026-24515","imported":"2026-07-17T21:45:23.041Z","modified":"2026-06-17T10:23:10.660Z"}]},"references":[{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-253495.html"},{"type":"WEB","url":"https://github.com/libexpat/libexpat/pull/1131"}],"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":"2.7.5+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-379.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}