{"action":"Upgrade ulfius to 2.7.1-2 or later.","affected":[{"fixed":"2.7.1-2","introduced":"0"}],"component":"ulfius","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.7.1-2"],"id":"tcs_01M5NFZ59RAZQMWF22X7PZ5NX5","modified_at":"2026-10-23T18:03:34.056591904Z","published_at":"2021-09-07T02:15:07.130Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-40540","https://security-tracker.debian.org/tracker/CVE-2021-40540"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-40540","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-40540"}],"summary":"ulfius_uri_logger in Ulfius HTTP Framework before 2.7.4 omits con_info initialization and a con_info->request NULL check for certain malformed HTTP requests."}