{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"haproxy","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NT01Y3DZDSKQEKV6B7ZW1V","modified_at":"2026-10-26T12:02:58.422345142Z","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:13/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"}