{"action":"Upgrade tomcat9 to 9.0.40-1 or later.","affected":[{"fixed":"9.0.40-1","introduced":"0"}],"component":"tomcat9","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["9.0.40-1"],"id":"tcs_01M5NEQZH6CM17FCEPN8MDFK0C","modified_at":"2026-10-26T12:02:29.190018443Z","published_at":"2020-12-03T19:15:12.200Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-17527","https://security-tracker.debian.org/tracker/CVE-2020-17527"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-17527","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-17527"}],"summary":"While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream rec"}