{"action":"Upgrade tomcat9 to 9.0.53-1 or later.","affected":[{"fixed":"9.0.53-1","introduced":"0"}],"component":"tomcat9","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["9.0.53-1"],"id":"tcs_01M5NFZVCZH8S0ZCDQ5T3VBW0W","modified_at":"2026-10-09T09:47:35.747642144Z","published_at":"2021-09-16T15:15:07.690Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-41079","https://security-tracker.debian.org/tracker/CVE-2021-41079"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-41079#Debian:13/tomcat9","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-41079"}],"summary":"Apache Tomcat 8.5.0 to 8.5.63, 9.0.0-M1 to 9.0.43 and 10.0.0-M1 to 10.0.2 did not properly validate incoming TLS packets. When Tomcat was configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a speci"}