{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"netty","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NT6BBVN9WPA66SSMR9832G","modified_at":"2026-09-24T09:00:19.979915398Z","published_at":"2026-08-17T18:17:36.250Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-59903","https://security-tracker.debian.org/tracker/CVE-2026-59903"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-59903#Debian:13/netty","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-59903"}],"summary":"Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary head"}