{"schema_version":"1.9.0","id":"BIT-tomcat-2021-41079","published":"2024-03-06T11:09:56.377Z","modified":"2026-09-08T08:48:20.939742012Z","aliases":["CVE-2021-41079","GHSA-59g9-7gfx-c72p"],"summary":"Apache Tomcat DoS with unexpected TLS packet","details":"Apache Tomcat 8.5.0 to 8.5.63, 9.0.0 to 9.0.43 and 10.0.0 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 specially crafted packet could be used to trigger an infinite loop resulting in a denial of service.","affected":[{"package":{"name":"tomcat","ecosystem":"Bitnami","purl":"pkg:bitnami/tomcat"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.5.0"},{"fixed":"8.5.64"},{"introduced":"9.0.0"},{"fixed":"9.0.44"},{"introduced":"10.0.0"},{"fixed":"10.0.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/tomcat/BIT-tomcat-2021-41079.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371452fdae313b98a%40%3Cusers.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd116f713f8ab9dbe%40%3Cdev.tomcat.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/rccdef0349fdf4fb73a4e4403095446d7fe6264e0a58e2df5c6799434%40%3Cannounce.tomcat.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/09/msg00012.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20211008-0005/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4986"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41079"}],"database_specific":{"cpes":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*"],"severity":"High"}}