{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"h2o","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NM18D01WD41HTE6685JEV0","modified_at":"2026-09-15T09:03:13.259841019Z","published_at":"2024-10-11T15:15:04.690Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2024-45397","https://security-tracker.debian.org/tracker/CVE-2024-45397"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2024-45397","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2024-45397"}],"summary":"h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When an HTTP request using TLS/1.3 early data on top of TCP Fast Open or QUIC 0-RTT packets is received and the IP-address-based acc"}