Resource exhaustion in Apache Tomcat - CVE-2025-48989

Vulnerability identifier: #VU114024

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-48989

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when handling HTTP/2 requests. A remote attacker can send specially crafted HTTP request to the web server and consume all available memory resources, leading to a denial of service. 

Note, this vulnerability is known as HTTP/2 Made You Reset Attack.

Apache Tomcat
JBoss Web Server
SUSE Linux Enterprise Server 15 SP5
SUSE Manager Server 4.3
Debian Linux
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Manager Server
SUSE Enterprise Storage
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Anolis OS
Red Hat Enterprise Linux Server - AUS
Web and Scripting Module
openSUSE Leap
openEuler
Oracle Solaris
Netcool Operations Insight
IBM Watson Discovery for IBM Cloud Pak for Data
Jira Service Management Data Center
Jira Service Management Server
Crowd Data Center
Oracle Financial Services Model Management and Governance
Bitbucket Data Center
Bamboo Server
Jira Software Data Center
IBM Integration Bus
IBM Power Hardware Management Console (HMC)
Management Cloud Engine
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data
Cloudera Observability with IBM
IBM Engineering Requirements Management DOORS Next
CICS Transaction Gateway Desktop Edition
CICS Transaction Gateway for Multiplatforms
ApplinX
Oracle Retail Xstore Point of Service
webMethods BPM
IBM Edge Application Manager
Varnish Cache
Varnish Enterprise
Communications Unified Assurance
Oracle Utilities Testing Accelerator
Cloudera Data Platform Private Cloud Base for IBM
Crowd Server
Bitbucket Server
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
tomcat-jsp-2.3-api
tomcat
tomcat-admin-webapps
tomcat-webapps
tomcat-servlet-4.0-api
tomcat-docs-webapp
tomcat-el-3.0-api
tomcat-lib
tomcat (Red Hat package)
tomcat9 (Red Hat package)
jws5-tomcat (Red Hat package)
tomcat-help
tomcat-jsvc
tomcat-doc
tomcat-jsp-2_3-api
tomcat-servlet-4_0-api
tomcat-embed
tomcat-el-3_0-api
tomcat-javadoc
tomcat10-el-5_0-api
tomcat10-lib
tomcat10
tomcat10-jsp-3_1-api
tomcat10-webapps
tomcat10-admin-webapps
tomcat10-jsvc
tomcat10-doc
tomcat10-embed
tomcat10-servlet-6_0-api
tomcat10-docs-webapp
tomcat10 (Debian package)
tomcat11-admin-webapps
tomcat11-jsp-4_0-api
tomcat11
tomcat11-webapps
tomcat11-servlet-6_1-api
tomcat11-el-6_0-api
tomcat11-lib
tomcat11-embed
tomcat11-doc
tomcat11-docs-webapp
tomcat11-jsvc
tomcat11 (Debian package)
Oracle Agile PLM Framework
Jira Software Server
Oracle Commerce Guided Search
Oracle Retail Xstore Office
Siebel CRM Deployment
Oracle Hospitality Cruise Shipboard Property Management System
watsonx.data

Install updates from vendor's website.

Apache Tomcat - addressed in versions 9.0.108, 10.1.44, 11.0.10
Netcool Operations Insight - update to 1.6.15
Cloudera Observability with IBM - update to 3.6.2
IBM Watson Discovery for IBM Cloud Pak for Data - update to 5.2.1
JBoss Web Server - update to 5.8.6
Jira Service Management Data Center - addressed in versions 5.12.28, 10.3.10, 11.0.1
Jira Service Management Server - addressed in versions 5.12.28, 10.3.10, 11.0.1
Varnish Cache - addressed in versions 6.0.15, 7.6.4, 7.7.2
Varnish Enterprise - update to 6.0.14r5
Crowd Data Center - update to 7.1.1
Crowd Server - update to 7.1.1
Bitbucket Server - addressed in versions 8.19.26, 9.4.15, 10.1.1
Bitbucket Data Center - addressed in versions 8.19.26, 9.4.15, 10.1.1
Bamboo Server - addressed in versions 9.6.17, 10.2.8, 11.0.5
IBM Engineering Requirements Management DOORS Next - update to 9.7.2.11
Jira Software Server - addressed in versions 9.12.28, 10.3.10, 11.0.1
Jira Software Data Center - addressed in versions 9.12.28, 10.3.10, 11.0.1
IBM Power Hardware Management Console (HMC) - addressed in versions 10.3.1060.0 SP3, 11.1.1110.0
watsonx.data - update to 2.2.2
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data - update to 5.2.2
tomcat-jsp-2.3-api - addressed in versions 9.0.87-1, 9.0.107-2
tomcat - addressed in versions 9.0.87-1, 9.0.107-2
tomcat-admin-webapps - addressed in versions 9.0.87-1, 9.0.107-2
tomcat-webapps - addressed in versions 9.0.87-1, 9.0.107-2
tomcat-servlet-4.0-api - addressed in versions 9.0.87-1, 9.0.107-2
tomcat-docs-webapp - addressed in versions 9.0.87-1, 9.0.107-2
tomcat-el-3.0-api - addressed in versions 9.0.87-1, 9.0.107-2
tomcat-lib - addressed in versions 9.0.87-1, 9.0.107-2
tomcat (Red Hat package) - addressed in versions 9.0.87-1.el8_8.7, 9.0.87-1.el8_10.6, 9.0.87-1.el9_2.6, 9.0.87-3.el9_6.3, 10.1.36-1.el10_0.2
tomcat9 (Red Hat package) - update to 9.0.87-5.el10_0.3
jws5-tomcat (Red Hat package) - addressed in versions 9.0.87-14.redhat_00013.1.el7jws, 9.0.87-14.redhat_00013.1.el8jws, 9.0.87-14.redhat_00013.1.el9jws
tomcat - update to 9.0.100-8
tomcat-help - update to 9.0.100-8
tomcat-jsvc - update to 9.0.100-8
tomcat-doc - update to 9.0.107-2
tomcat-admin-webapps - update to 9.0.108-150200.91.1
tomcat-jsp-2_3-api - update to 9.0.108-150200.91.1
tomcat-servlet-4_0-api - update to 9.0.108-150200.91.1
tomcat-embed - update to 9.0.108-150200.91.1
tomcat-el-3_0-api - update to 9.0.108-150200.91.1
tomcat - update to 9.0.108-150200.91.1
tomcat-jsvc - update to 9.0.108-150200.91.1
tomcat-lib - update to 9.0.108-150200.91.1
tomcat-webapps - update to 9.0.108-150200.91.1
tomcat-docs-webapp - update to 9.0.108-150200.91.1
tomcat-javadoc - update to 9.0.108-150200.91.1
tomcat10-el-5_0-api - update to 10.1.44-150200.5.51.1
tomcat10-lib - update to 10.1.44-150200.5.51.1
tomcat10 - update to 10.1.44-150200.5.51.1
tomcat10-jsp-3_1-api - update to 10.1.44-150200.5.51.1
tomcat10-webapps - update to 10.1.44-150200.5.51.1
tomcat10-admin-webapps - update to 10.1.44-150200.5.51.1
tomcat10-jsvc - update to 10.1.44-150200.5.51.1
tomcat10-doc - update to 10.1.44-150200.5.51.1
tomcat10-embed - update to 10.1.44-150200.5.51.1
tomcat10-servlet-6_0-api - update to 10.1.44-150200.5.51.1
tomcat10-docs-webapp - update to 10.1.44-150200.5.51.1
tomcat10 (Debian package) - addressed in versions 10.1.52-1~deb12u1, 10.1.52-1~deb13u1
webMethods BPM - addressed in versions 10.15 Fix 14, 11.1 Fix 2
tomcat11-admin-webapps - update to 11.0.10-150600.13.9.1
tomcat11-jsp-4_0-api - update to 11.0.10-150600.13.9.1
tomcat11 - update to 11.0.10-150600.13.9.1
tomcat11-webapps - update to 11.0.10-150600.13.9.1
tomcat11-servlet-6_1-api - update to 11.0.10-150600.13.9.1
tomcat11-el-6_0-api - update to 11.0.10-150600.13.9.1
tomcat11-lib - update to 11.0.10-150600.13.9.1
tomcat11-embed - update to 11.0.10-150600.13.9.1
tomcat11-doc - update to 11.0.10-150600.13.9.1
tomcat11-docs-webapp - update to 11.0.10-150600.13.9.1
tomcat11-jsvc - update to 11.0.10-150600.13.9.1
tomcat11 (Debian package) - update to 11.0.15-1~deb13u1
Oracle Solaris - update to 11.4 SRU 86

• https://lists.apache.org/thread/w18h9j9mz3xdd1ykdclgyx0kpff4kphl

• Remote denial of service in Apache Tomcat
• HTTP/2 Made You Reset Attack in Varnish Cache and Varnish Enterprise
• Red Hat Enterprise Linux 8 update for tomcat
• Red Hat Enterprise Linux 10 update for tomcat9
• Red Hat Enterprise Linux 10 update for tomcat
• Red Hat Enterprise Linux 9 update for tomcat
• Red Hat Enterprise Linux 8 update for tomcat
• Red Hat Enterprise Linux 9 update for tomcat
• Anolis OS update for tomcat
• SUSE update for tomcat11
• SUSE update for tomcat10
• SUSE update for tomcat
• openEuler 24.03 LTS SP2 update for tomcat
• openEuler 24.03 LTS SP1 update for tomcat
• openEuler 22.03 LTS SP4 update for tomcat
• openEuler 22.03 LTS SP3 update for tomcat
• openEuler 20.03 LTS SP4 update for tomcat
• openEuler 24.03 LTS update for tomcat
• IBM Watson Discovery update for Apache Tomcat
• IBM ApplinX update for Apache Tomcat
• IBM Integration Bus for z/OS update for Apache Tomcat
• Multiple vulnerabilities in IBM Edge Application Manager
• Multiple vulnerabilities in Oracle Solaris
• Resource exhaustion in Management Cloud Engine
• Multiple vulnerabilities in Communications Unified Assurance
• Multiple vulnerabilities in Oracle Commerce Guided Search
• Multiple vulnerabilities in Oracle Financial Services Model Management and Governance
• Multiple vulnerabilities in Oracle Hospitality Cruise Shipboard Property Management System
• Multiple vulnerabilities in Oracle Retail Xstore Point of Service
• Resource exhaustion in Oracle Retail Xstore Office
• Jira Software Data Center and Server update for tomcat-coyote
• Bamboo Data Center and Server update for tomcat-coyote
• Anolis OS update for tomcat
• Jira Service Management Data Center and Server update for resource exhaustion in org.apache.tomcat:tomcat-coyote
• IBM Watson Speech Services Cartridge update for Apache Tomcat
• Multiple vulnerabilities in Cloudera Observability on Premises with IBM
• Multiple vulnerabilities in IBM webMethods BPM
• Multiple vulnerabilities in IBM Power HMC
• Multiple vulnerabilities in Netcool Operations Insight
• Multiple vulnerabilities in Red Hat JBoss Web Server
• Crowd Data Center and Server update for tomcat-coyote
• IBM watsonx.data update for Apache Tomcat
• Multiple vulnerabilities in Siebel CRM Deployment
• Resource exhaustion in Oracle Utilities Testing Accelerator
• Multiple vulnerabilities in Oracle Agile PLM Framework
• Bitbucket Data Center and Server update for org.apache.tomcat.embed:tomcat-embed-core
• Debian update for tomcat10
• Debian update for tomcat11
• Multiple vulnerabilities in IBM Engineering Requirements Management DOORS and DOORS Web Access
• Multiple vulnerabilities in IBM Cloudera Data Platform Private Cloud Base with IBM (CDP)
• Multiple vulnerabilities in IBM CICS Transaction Gateway for Multiplatforms
• Multiple vulnerabilities in CICS Transaction Gateway Desktop Edition