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openSUSE 15.6: Critical DoS Patch for tomcat11 CVE-2025-48989 Released

opensuse
Calendar Grey August 27, 2025
Dist Opensuse Esm H88
An update for tomcat11 resolves significant DoS vulnerabilities impacting openSUSE platforms. Prompt measures are advised to enhance security.
An update that solves one vulnerability can now be installed.

Description

This update for tomcat11 fixes the following issues:

Updated to Tomcat 11.0.10 \- CVE-2025-48989: Fixed "MadeYouReset" DoS in HTTP/2

due to client triggered stream reset (bsc#1243895)

Other fixes: * Catalina \+ Fix: Fix bloom filter population for archive indexing

when using a packed WAR containing one or more JAR files. (markt) * Coyote \+

Fix: 69748: Add missing call to set keep-alive timeout when using HTTP/1.1

following an async request, which was present for AJP. (remm/markt) \+ Fix:

69762: Fix possible overflow during HPACK decoding of integers. Note that the

maximum permitted value of an HPACK decoded integer is Integer.MAX_VALUE.

(markt) \+ Fix: Update the HTTP/2 overhead documentation - particularly the code

comments - to reflect the deprecation of the PRIORITY frame and clarify that a

stream reset always triggers an overhead increase. (markt) * Cluster \+ Update:

Add enableStatistics configuration attribute for the DeltaManager, defaulting to

true. (remm) * WebSocket \+...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory DoS patch important OpenSUSE tomcat11

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* Web and Scripting Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Web-Scripting-15-SP7-2025-2992=1

* openSUSE Leap 15.6

zypper in -t patch SUSE-2025-2992=1 openSUSE-SLE-15.6-2025-2992=1

* Web and Scripting Module 15-SP6

zypper in -t patch SUSE-SLE-Module-Web-Scripting-15-SP6-2025-2992=1

Package List

* Web and Scripting Module 15-SP7 (noarch)

* tomcat11-el-6_0-api-11.0.10-150600.13.9.1

* tomcat11-servlet-6_1-api-11.0.10-150600.13.9.1

* tomcat11-webapps-11.0.10-150600.13.9.1

* tomcat11-11.0.10-150600.13.9.1

* tomcat11-jsp-4_0-api-11.0.10-150600.13.9.1

* tomcat11-admin-webapps-11.0.10-150600.13.9.1

* tomcat11-lib-11.0.10-150600.13.9.1

* openSUSE Leap 15.6 (noarch)

* tomcat11-el-6_0-api-11.0.10-150600.13.9.1

* tomcat11-embed-11.0.10-150600.13.9.1

* tomcat11-doc-11.0.10-150600.13.9.1

* tomcat11-servlet-6_1-api-11.0.10-150600.13.9.1

* tomcat11-docs-webapp-11.0.10-150600.13.9.1

* tomcat11-webapps-11.0.10-150600.13.9.1

* tomcat11-11.0.10-150600.13.9.1

* tomcat11-jsp-4_0-api-11.0.10-150600.13.9.1

* tomcat11-admin-webapps-11.0.10-150600.13.9.1

* tomcat11-lib-11.0.10-150600.13.9.1

* tomcat11-jsvc-11.0.10-150600.13.9.1

* Web and Scripting Module 15-SP6 (noarch)

* tomcat11-el-6_0-api-11.0.10-150600.13.9.1

* tomcat11-servlet-6_1-api-11.0.10-150600.13.9.1

* tomcat11-webapps-11.0.10-150600.13.9.1

*...

Read the Full Advisory

References

* bsc#1243895

## References:

* https://www.suse.com/security/cve/CVE-2025-48989.html

* https://bugzilla.suse.com/show_bug.cgi?id=1243895

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:02992-1
Release Date: 2025-08-27T11:57:17Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7 * Web and Scripting Module 15-SP6 * Web and Scripting Module 15-SP7

Topics%20covered

Topics Covered

security advisory DoS patch important OpenSUSE tomcat11

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