{"id":"JLSEC-2026-1277","details":"GNOME libsoup before 3.6.0 allows HTTP request smuggling in some configurations because '\\0' characters at the end of header names are ignored, i.e., a \"Transfer-Encoding\\0: chunked\" header is treated the same as a \"Transfer-Encoding: chunked\" header.","modified":"2026-08-13T09:45:03.325537354Z","published":"2026-08-13T09:38:52.525Z","upstream":["CVE-2024-52530"],"database_specific":{"license":"CC-BY-4.0","sources":[{"url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2024-52530","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-52530","database_specific":{"status":"Modified"},"id":"CVE-2024-52530","imported":"2026-08-12T15:24:40.345Z","modified":"2026-06-17T08:07:23.763Z","published":"2024-11-11T20:15:20.247Z"}]},"references":[{"type":"WEB","url":"https://gitlab.gnome.org/GNOME/libsoup/-/issues/377"},{"type":"WEB","url":"https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/402"},{"type":"WEB","url":"https://gitlab.gnome.org/Teams/Releng/security/-/wikis/home"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/12/msg00014.html"}],"affected":[{"package":{"name":"Soup3_jll","ecosystem":"Julia","purl":"pkg:julia/Soup3_jll?uuid=fcd1aa73-243d-5665-acf3-2a5a4322c7a8"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1277.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}