{"action":"Upgrade botan to 2.4.0-5 or later.","affected":[{"fixed":"2.4.0-5","introduced":"0"}],"component":"botan","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.4.0-5"],"id":"tcs_01M5NDJP2Z3CRBHJ34NDNV0X7X","modified_at":"2026-10-23T18:03:09.859632833Z","published_at":"2018-04-02T17:29:00.387Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-9127","https://security-tracker.debian.org/tracker/CVE-2018-9127"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-9127#Debian:13/botan","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-9127"}],"summary":"Botan 2.2.0 - 2.4.0 (fixed in 2.5.0) improperly handled wildcard certificates and could accept certain certificates as valid for hostnames when, under RFC 6125 rules, they should not match. This only"}