{"id":"JLSEC-2026-378","details":"In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.","modified":"2026-07-18T00:00:31.015168996Z","published":"2026-05-01T17:50:38.295Z","upstream":["CVE-2025-66382"],"database_specific":{"license":"CC-BY-4.0","sources":[{"id":"CVE-2025-66382","imported":"2026-07-17T21:45:16.966Z","modified":"2026-06-17T09:56:45.240Z","published":"2025-11-28T07:15:57.900Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-66382","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66382","database_specific":{"status":"Modified"}}]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/12/02/1"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-253495.html"},{"type":"WEB","url":"https://github.com/libexpat/libexpat/issues/1076"}],"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-2026-378.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}