{"id":"CLSA-2026-1777305243","summary":"Fix CVE(s): CVE-2024-38286","details":"   * SECURITY UPDATE: Denial of Service caused by unbounded TLS handshake\n     wrap queue in SecureNio2Channel / SecureNioChannel. Backport upstream\n     fix from 9.0.x commit 76c5cce6f0bcef14b0c21c38910371ca7d322d13.\n     - debian/patches/CVE-2024-38286.patch: cap the handshake wrap queue at\n       HANDSHAKE_WRAP_QUEUE_LENGTH_LIMIT (100) and close the connection\n       with a localised error message if the cap is exceeded, covering\n       both Nio2 and Nio connector variants. Also includes upstream\n       follow-up bfa5de95ad (\"Avoid possible lost update\") which converts\n       the SecureNio2Channel counter to AtomicInteger and resets it in\n       reset() to prevent a non-atomic read-modify-write race.\n     - CVE-2024-38286","modified":"2026-06-04T09:46:51.328700100Z","published":"2026-04-27T20:21:07Z","upstream":["CVE-2024-38286"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1777305243.html"}],"affected":[{"package":{"name":"libtomcat9-embed-java","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libtomcat9-embed-java?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.31-1ubuntu0.9+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777305243.json"}},{"package":{"name":"libtomcat9-java","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libtomcat9-java?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.31-1ubuntu0.9+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777305243.json"}},{"package":{"name":"tomcat9","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/tomcat9?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.31-1ubuntu0.9+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777305243.json"}},{"package":{"name":"tomcat9-admin","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/tomcat9-admin?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.31-1ubuntu0.9+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777305243.json"}},{"package":{"name":"tomcat9-common","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/tomcat9-common?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.31-1ubuntu0.9+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777305243.json"}},{"package":{"name":"tomcat9-docs","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/tomcat9-docs?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.31-1ubuntu0.9+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777305243.json"}},{"package":{"name":"tomcat9-examples","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/tomcat9-examples?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.31-1ubuntu0.9+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777305243.json"}},{"package":{"name":"tomcat9-user","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/tomcat9-user?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.31-1ubuntu0.9+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1777305243.json"}}],"schema_version":"1.7.5"}