{"action":"Upgrade haproxy to 3.2.20-1 or later.","affected":[{"fixed":"3.2.20-1","introduced":"0"}],"component":"haproxy","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.2.20-1"],"id":"tcs_01M5NT021XCTVG0DH5RYPRA7D3","modified_at":"2026-10-09T09:47:36.221046318Z","published_at":"2026-06-18T17:16:34.373Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-55203","https://security-tracker.debian.org/tracker/CVE-2026-55203"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-55203#Debian:14/haproxy","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-55203"}],"summary":"HAProxy through 3.4.0, fixed in commit 5985276, contains an integer overflow vulnerability in the fcgi_conn structure's drl field that allows buffer misparse as new FCGI record headers. When contentLe"}