CVE-2025-52434
Fixed in a distro release EPSS 2%CVSS 7.5
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 through 9.0.106. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 9.0.107, which fixes the issue.
Products: Apache Software Foundation Apache Tomcat
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| Maven | org.apache.tomcat.embed:tomcat-embed-core | 9.0.107 |
| Maven | org.apache.tomcat.embed:tomcat-embed-core | no fix |
| Maven | org.apache.tomcat:tomcat-coyote | 9.0.107 |
| Maven | org.apache.tomcat:tomcat-coyote | no fix |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 10 | tomcat9 | 1:9.0.87-5.el10_0.3 |
| AlmaLinux 10 | tomcat9-admin-webapps | 1:9.0.87-5.el10_0.3 |
| AlmaLinux 10 | tomcat9-docs-webapp | 1:9.0.87-5.el10_0.3 |
| AlmaLinux 10 | tomcat9-el-3.0-api | 1:9.0.87-5.el10_0.3 |
| AlmaLinux 10 | tomcat9-jsp-2.3-api | 1:9.0.87-5.el10_0.3 |
| AlmaLinux 10 | tomcat9-lib | 1:9.0.87-5.el10_0.3 |
| AlmaLinux 10 | tomcat9-servlet-4.0-api | 1:9.0.87-5.el10_0.3 |
| AlmaLinux 10 | tomcat9-webapps | 1:9.0.87-5.el10_0.3 |
| AlmaLinux 8 | tomcat | 1:9.0.87-1.el8_10.6 |
| AlmaLinux 8 | tomcat-admin-webapps | 1:9.0.87-1.el8_10.6 |
| AlmaLinux 8 | tomcat-docs-webapp | 1:9.0.87-1.el8_10.6 |
| AlmaLinux 8 | tomcat-el-3.0-api | 1:9.0.87-1.el8_10.6 |
| AlmaLinux 8 | tomcat-jsp-2.3-api | 1:9.0.87-1.el8_10.6 |
| AlmaLinux 8 | tomcat-lib | 1:9.0.87-1.el8_10.6 |
| AlmaLinux 8 | tomcat-servlet-4.0-api | 1:9.0.87-1.el8_10.6 |
| AlmaLinux 8 | tomcat-webapps | 1:9.0.87-1.el8_10.6 |
| AlmaLinux 9 | tomcat | 1:9.0.87-3.el9_6.3 |
| AlmaLinux 9 | tomcat-admin-webapps | 1:9.0.87-3.el9_6.3 |
| AlmaLinux 9 | tomcat-docs-webapp | 1:9.0.87-3.el9_6.3 |
| AlmaLinux 9 | tomcat-el-3.0-api | 1:9.0.87-3.el9_6.3 |
| AlmaLinux 9 | tomcat-jsp-2.3-api | 1:9.0.87-3.el9_6.3 |
| AlmaLinux 9 | tomcat-lib | 1:9.0.87-3.el9_6.3 |
| AlmaLinux 9 | tomcat-servlet-4.0-api | 1:9.0.87-3.el9_6.3 |
| AlmaLinux 9 | tomcat-webapps | 1:9.0.87-3.el9_6.3 |
| Chainguard | tomcat-8.5.87 | no fix |
| Chainguard | tomcat-8.5.87 | 8.5.87-r6 |
| Chainguard | tomcat-8.5.87-jamf-compat | 8.5.87-r3 |
| Debian 11 | tomcat9 | 9.0.107-0+deb11u1 |
| Debian 12 | tomcat9 | 9.0.70-2 |
| Debian 13 | tomcat9 | 9.0.70-2 |
| Debian 14 | tomcat9 | 9.0.70-2 |
| Red Hat Enterprise Linux 10.0 | tomcat9 | 1:9.0.87-5.el10_0.3 |
| Red Hat Enterprise Linux 10.0 | tomcat9-admin-webapps | 1:9.0.87-5.el10_0.3 |
| Red Hat Enterprise Linux 10.0 | tomcat9-docs-webapp | 1:9.0.87-5.el10_0.3 |
| Red Hat Enterprise Linux 10.0 | tomcat9-el-3.0-api | 1:9.0.87-5.el10_0.3 |
| Red Hat Enterprise Linux 10.0 | tomcat9-jsp-2.3-api | 1:9.0.87-5.el10_0.3 |
| Red Hat Enterprise Linux 10.0 | tomcat9-lib | 1:9.0.87-5.el10_0.3 |
| Red Hat Enterprise Linux 10.0 | tomcat9-servlet-4.0-api | 1:9.0.87-5.el10_0.3 |
| Red Hat Enterprise Linux 10.0 | tomcat9-webapps | 1:9.0.87-5.el10_0.3 |
| Red Hat Enterprise Linux 8 | tomcat | 1:9.0.87-1.el8_10.6 |
| Red Hat Enterprise Linux 8 | tomcat-admin-webapps | 1:9.0.87-1.el8_10.6 |
| Red Hat Enterprise Linux 8 | tomcat-docs-webapp | 1:9.0.87-1.el8_10.6 |
| Red Hat Enterprise Linux 8 | tomcat-el-3.0-api | 1:9.0.87-1.el8_10.6 |
| Red Hat Enterprise Linux 8 | tomcat-jsp-2.3-api | 1:9.0.87-1.el8_10.6 |
| Red Hat Enterprise Linux 8 | tomcat-lib | 1:9.0.87-1.el8_10.6 |
| Red Hat Enterprise Linux 8 | tomcat-servlet-4.0-api | 1:9.0.87-1.el8_10.6 |
| Red Hat Enterprise Linux 8 | tomcat-webapps | 1:9.0.87-1.el8_10.6 |
| Red Hat Enterprise Linux 9 | tomcat | 1:9.0.87-3.el9_6.3 |
| Red Hat Enterprise Linux 9 | tomcat-admin-webapps | 1:9.0.87-3.el9_6.3 |
| Red Hat Enterprise Linux 9 | tomcat-docs-webapp | 1:9.0.87-3.el9_6.3 |
| Red Hat Enterprise Linux 9 | tomcat-el-3.0-api | 1:9.0.87-3.el9_6.3 |
| Red Hat Enterprise Linux 9 | tomcat-jsp-2.3-api | 1:9.0.87-3.el9_6.3 |
| Red Hat Enterprise Linux 9 | tomcat-lib | 1:9.0.87-3.el9_6.3 |
| Red Hat Enterprise Linux 9 | tomcat-servlet-4.0-api | 1:9.0.87-3.el9_6.3 |
| Red Hat Enterprise Linux 9 | tomcat-webapps | 1:9.0.87-3.el9_6.3 |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat | 0:9.0.87-12.redhat_00011.1.el7jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat | 0:9.0.87-12.redhat_00011.1.el9jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat | 0:9.0.87-12.redhat_00011.1.el8jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-admin-webapps | 0:9.0.87-12.redhat_00011.1.el7jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-admin-webapps | 0:9.0.87-12.redhat_00011.1.el8jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-admin-webapps | 0:9.0.87-12.redhat_00011.1.el9jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-docs-webapp | 0:9.0.87-12.redhat_00011.1.el9jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-docs-webapp | 0:9.0.87-12.redhat_00011.1.el7jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-docs-webapp | 0:9.0.87-12.redhat_00011.1.el8jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-el-3.0-api | 0:9.0.87-12.redhat_00011.1.el8jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-el-3.0-api | 0:9.0.87-12.redhat_00011.1.el9jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-el-3.0-api | 0:9.0.87-12.redhat_00011.1.el7jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-java-jdk11 | 0:9.0.87-12.redhat_00011.1.el7jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-java-jdk8 | 0:9.0.87-12.redhat_00011.1.el7jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-javadoc | 0:9.0.87-12.redhat_00011.1.el9jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-javadoc | 0:9.0.87-12.redhat_00011.1.el8jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-javadoc | 0:9.0.87-12.redhat_00011.1.el7jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-jsp-2.3-api | 0:9.0.87-12.redhat_00011.1.el8jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-jsp-2.3-api | 0:9.0.87-12.redhat_00011.1.el7jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-jsp-2.3-api | 0:9.0.87-12.redhat_00011.1.el9jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-lib | 0:9.0.87-12.redhat_00011.1.el8jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-lib | 0:9.0.87-12.redhat_00011.1.el9jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-lib | 0:9.0.87-12.redhat_00011.1.el7jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-selinux | 0:9.0.87-12.redhat_00011.1.el8jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-selinux | 0:9.0.87-12.redhat_00011.1.el7jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-selinux | 0:9.0.87-12.redhat_00011.1.el9jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-servlet-4.0-api | 0:9.0.87-12.redhat_00011.1.el7jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-servlet-4.0-api | 0:9.0.87-12.redhat_00011.1.el8jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-servlet-4.0-api | 0:9.0.87-12.redhat_00011.1.el9jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-webapps | 0:9.0.87-12.redhat_00011.1.el9jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-webapps | 0:9.0.87-12.redhat_00011.1.el7jws |
| Red Hat jboss enterprise web server 5.8 | jws5-tomcat-webapps | 0:9.0.87-12.redhat_00011.1.el8jws |
| Red Hat rhel e4s 8.8 | tomcat | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel e4s 8.8 | tomcat-admin-webapps | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel e4s 8.8 | tomcat-docs-webapp | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel e4s 8.8 | tomcat-el-3.0-api | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel e4s 8.8 | tomcat-jsp-2.3-api | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel e4s 8.8 | tomcat-lib | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel e4s 8.8 | tomcat-servlet-4.0-api | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel e4s 8.8 | tomcat-webapps | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel e4s 9.2 | tomcat | 1:9.0.87-1.el9_2.6 |
| Red Hat rhel e4s 9.2 | tomcat-admin-webapps | 1:9.0.87-1.el9_2.6 |
| Red Hat rhel e4s 9.2 | tomcat-docs-webapp | 1:9.0.87-1.el9_2.6 |
| Red Hat rhel e4s 9.2 | tomcat-el-3.0-api | 1:9.0.87-1.el9_2.6 |
| Red Hat rhel e4s 9.2 | tomcat-jsp-2.3-api | 1:9.0.87-1.el9_2.6 |
| Red Hat rhel e4s 9.2 | tomcat-lib | 1:9.0.87-1.el9_2.6 |
| Red Hat rhel e4s 9.2 | tomcat-servlet-4.0-api | 1:9.0.87-1.el9_2.6 |
| Red Hat rhel e4s 9.2 | tomcat-webapps | 1:9.0.87-1.el9_2.6 |
| Red Hat rhel eus 9.4 | tomcat | 1:9.0.87-1.el9_4.6 |
| Red Hat rhel eus 9.4 | tomcat-admin-webapps | 1:9.0.87-1.el9_4.6 |
| Red Hat rhel eus 9.4 | tomcat-docs-webapp | 1:9.0.87-1.el9_4.6 |
| Red Hat rhel eus 9.4 | tomcat-el-3.0-api | 1:9.0.87-1.el9_4.6 |
| Red Hat rhel eus 9.4 | tomcat-jsp-2.3-api | 1:9.0.87-1.el9_4.6 |
| Red Hat rhel eus 9.4 | tomcat-lib | 1:9.0.87-1.el9_4.6 |
| Red Hat rhel eus 9.4 | tomcat-servlet-4.0-api | 1:9.0.87-1.el9_4.6 |
| Red Hat rhel eus 9.4 | tomcat-webapps | 1:9.0.87-1.el9_4.6 |
| Red Hat rhel tus 8.8 | tomcat | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel tus 8.8 | tomcat-admin-webapps | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel tus 8.8 | tomcat-docs-webapp | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel tus 8.8 | tomcat-el-3.0-api | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel tus 8.8 | tomcat-jsp-2.3-api | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel tus 8.8 | tomcat-lib | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel tus 8.8 | tomcat-servlet-4.0-api | 1:9.0.87-1.el8_8.7 |
| Red Hat rhel tus 8.8 | tomcat-webapps | 1:9.0.87-1.el8_8.7 |
| Rocky Linux 10 | tomcat9 | 1:9.0.87-5.el10_0.3 |
| Rocky Linux 8 | tomcat | 1:9.0.87-1.el8_10.6 |
| Rocky Linux 9 | tomcat | 1:9.0.87-3.el9_6.3 |
| SUSE Enterprise Storage 7.1 | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise Module for Web and Scripting 15 SP6 | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise Module for Web and Scripting 15 SP7 | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise Server 12 SP5-LTSS | tomcat | 9.0.115-3.160.1 |
| SUSE Linux Enterprise Server 15 SP3-LTSS | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise Server 15 SP5-LTSS | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | tomcat | 9.0.115-3.160.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | tomcat | 9.0.108-150200.91.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | tomcat | 9.0.108-150200.91.1 |
| SUSE Manager Server LTS 4.3 | tomcat | 9.0.108-150200.91.1 |
| Ubuntu Pro 16.04 LTS | tomcat8 | no fix |
| Ubuntu Pro 18.04 LTS | tomcat8 | no fix |
| Ubuntu Pro 18.04 LTS | tomcat9 | no fix |
| Ubuntu Pro 20.04 LTS | tomcat9 | no fix |
| Ubuntu Pro 22.04 LTS | tomcat9 | no fix |
| openSUSE Leap 15.6 | tomcat | 9.0.108-150200.91.1 |
| openSUSE Tumbleweed | tomcat | 9.0.107-1.1 |