{"action":"Upgrade undertow to 2.3.18-1 or later.","affected":[{"fixed":"2.3.18-1","introduced":"0"}],"component":"undertow","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.3.18-1"],"id":"tcs_01M5NJBTBXFHHS2F0GKMWB08WN","modified_at":"2026-10-23T18:04:53.601897061Z","published_at":"2024-11-17T11:15:05.840Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-4639","https://security-tracker.debian.org/tracker/CVE-2023-4639"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-4639","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-4639"}],"summary":"A flaw was found in Undertow, which incorrectly parses cookies with certain value-delimiting characters in incoming requests. This issue could allow an attacker to construct a cookie value to exfiltra"}