{"schema_version":"1.7.3","id":"ALSA-2023:5929","published":"2023-10-19T00:00:00Z","modified":"2026-02-04T02:48:19.353506Z","related":["CVE-2023-44487"],"summary":"Important: tomcat security update","details":"Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.\n\nSecurity Fix(es):\n\n* HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","affected":[{"package":{"name":"tomcat","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/tomcat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-11.el9_2.3"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:5929.json"}},{"package":{"name":"tomcat-admin-webapps","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/tomcat-admin-webapps"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-11.el9_2.3"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:5929.json"}},{"package":{"name":"tomcat-docs-webapp","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/tomcat-docs-webapp"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-11.el9_2.3"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:5929.json"}},{"package":{"name":"tomcat-el-3.0-api","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/tomcat-el-3.0-api"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-11.el9_2.3"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:5929.json"}},{"package":{"name":"tomcat-jsp-2.3-api","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/tomcat-jsp-2.3-api"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-11.el9_2.3"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:5929.json"}},{"package":{"name":"tomcat-lib","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/tomcat-lib"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-11.el9_2.3"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:5929.json"}},{"package":{"name":"tomcat-servlet-4.0-api","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/tomcat-servlet-4.0-api"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-11.el9_2.3"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:5929.json"}},{"package":{"name":"tomcat-webapps","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/tomcat-webapps"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.0.62-11.el9_2.3"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:5929.json"}}],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2023:5929"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-44487"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2242803"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2023-5929.html"}]}