Bug 2379386 (CVE-2025-53506)

Summary: CVE-2025-53506 tomcat: Apache Tomcat denial of service
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: aogburn, csutherl, jclere, nbhumkar, pjindal, plodge, szappis
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A denial of service flaw was found in Apache Tomcat. An uncontrolled resource consumption vulnerability, where an HTTP/2 client fails to acknowledge the initial settings frame that reduces the maximum permitted concurrent streams, could result in a denial of service.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2379477, 2379478    
Bug Blocks:    

Description OSIDB Bzimport 2025-07-10 20:02:33 UTC
Uncontrolled Resource Consumption vulnerability in Apache Tomcat if an HTTP/2 client did not acknowledge the initial settings frame that reduces the maximum permitted concurrent streams.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1 through 9.0.106.

Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue.

Comment 2 errata-xmlrpc 2025-07-28 13:52:23 UTC
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 5.8 on RHEL 7
  Red Hat JBoss Web Server 5.8 on RHEL 8
  Red Hat JBoss Web Server 5.8 on RHEL 9

Via RHSA-2025:11695 https://access.redhat.com/errata/RHSA-2025:11695

Comment 3 errata-xmlrpc 2025-07-28 13:56:39 UTC
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 5.8.5

Via RHSA-2025:11696 https://access.redhat.com/errata/RHSA-2025:11696

Comment 4 errata-xmlrpc 2025-07-30 15:49:48 UTC
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 6.1 on RHEL 10
  Red Hat JBoss Web Server 6.1 on RHEL 8
  Red Hat JBoss Web Server 6.1 on RHEL 9

Via RHSA-2025:11741 https://access.redhat.com/errata/RHSA-2025:11741

Comment 5 errata-xmlrpc 2025-07-30 15:55:52 UTC
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 6.1.1

Via RHSA-2025:11742 https://access.redhat.com/errata/RHSA-2025:11742

Comment 9 errata-xmlrpc 2025-08-20 15:31:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:14178 https://access.redhat.com/errata/RHSA-2025:14178

Comment 10 errata-xmlrpc 2025-08-20 15:31:46 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:14179 https://access.redhat.com/errata/RHSA-2025:14179

Comment 11 errata-xmlrpc 2025-08-20 15:35:05 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2025:14182 https://access.redhat.com/errata/RHSA-2025:14182

Comment 12 errata-xmlrpc 2025-08-20 15:35:13 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:14177 https://access.redhat.com/errata/RHSA-2025:14177

Comment 13 errata-xmlrpc 2025-08-20 15:37:24 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:14181 https://access.redhat.com/errata/RHSA-2025:14181

Comment 14 errata-xmlrpc 2025-08-20 15:38:41 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2025:14183 https://access.redhat.com/errata/RHSA-2025:14183

Comment 15 errata-xmlrpc 2025-08-20 15:41:12 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2025:14180 https://access.redhat.com/errata/RHSA-2025:14180