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openSUSE Tomcat11 Important Issues Fixed in Advisory 2026-2374-1

opensuse
Calendar Grey June 11, 2026
Dist Opensuse Esm H88
An update for openSUSE addresses seven important vulnerabilities in tomcat11 including unbounded read and authentication risks.
An update that solves seven vulnerabilities can now be installed.

Description

This update for tomcat11 fixes the following issues

Update to Tomcat 11.0.22:

* CVE-2026-41284: Unbounded read in WebDAV LOCK and PROPFIND handling

(bsc#1265162).

* CVE-2026-41293: HTTP/2 request headers not validated (bsc#1265163).

* CVE-2026-42498: WebSocket authentication header exposure (bsc#1265165).

* CVE-2026-43512: digest authenticator will authenticate any unknown user

(bsc#1265145).

* CVE-2026-43513: LockOutRealm treats user names as case-sensitive

(bsc#1265166).

* CVE-2026-43514: AJP secret compared in non-constant time (bsc#1265167).

* CVE-2026-43515: Security constraints not correctly applied (bsc#1265168).

Changes:

* Catalina

* Add: Enhance version.sh and version.bat to display APR, Tomcat Native, and

OpenSSL version information (both APR and FFM implementations), along with

version compatibility warnings and third-party library version information.

(csutherl)

* Code: Refactor generation of the remote user element in the...

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Topics%20covered

Topics Covered

security advisory important authentication issue OpenSUSE tomcat11 seven issues

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:

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-2374=1

* Web and Scripting Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Web-Scripting-15-SP7-2026-2374=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2374=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2374=1

Package List

* openSUSE Leap 15.6 (noarch)

* tomcat11-embed-11.0.22-150600.13.21.1

* tomcat11-jsp-4_0-api-11.0.22-150600.13.21.1

* tomcat11-lib-11.0.22-150600.13.21.1

* tomcat11-webapps-11.0.22-150600.13.21.1

* tomcat11-docs-webapp-11.0.22-150600.13.21.1

* tomcat11-jsvc-11.0.22-150600.13.21.1

* tomcat11-doc-11.0.22-150600.13.21.1

* tomcat11-servlet-6_1-api-11.0.22-150600.13.21.1

* tomcat11-11.0.22-150600.13.21.1

* tomcat11-admin-webapps-11.0.22-150600.13.21.1

* tomcat11-el-6_0-api-11.0.22-150600.13.21.1

* Web and Scripting Module 15-SP7 (noarch)

* tomcat11-jsp-4_0-api-11.0.22-150600.13.21.1

* tomcat11-lib-11.0.22-150600.13.21.1

* tomcat11-webapps-11.0.22-150600.13.21.1

* tomcat11-servlet-6_1-api-11.0.22-150600.13.21.1

* tomcat11-11.0.22-150600.13.21.1

* tomcat11-admin-webapps-11.0.22-150600.13.21.1

* tomcat11-el-6_0-api-11.0.22-150600.13.21.1

* SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)

* tomcat11-jsp-4_0-api-11.0.22-150600.13.21.1

* tomcat11-lib-11.0.22-150600.13.21.1

* tomcat11-webapps-11.0.22-150600.13.21.1

*...

Read the Full Advisory

References

* bsc#1265145

* bsc#1265162

* bsc#1265163

* bsc#1265165

* bsc#1265166

* bsc#1265167

* bsc#1265168

## References:

* https://www.suse.com/security/cve/CVE-2026-41284.html

* https://www.suse.com/security/cve/CVE-2026-41293.html

* https://www.suse.com/security/cve/CVE-2026-42498.html

* https://www.suse.com/security/cve/CVE-2026-43512.html

* https://www.suse.com/security/cve/CVE-2026-43513.html

* https://www.suse.com/security/cve/CVE-2026-43514.html

* https://www.suse.com/security/cve/CVE-2026-43515.html

* https://bugzilla.suse.com/show_bug.cgi?id=1265145

* https://bugzilla.suse.com/show_bug.cgi?id=1265162

* https://bugzilla.suse.com/show_bug.cgi?id=1265163

* https://bugzilla.suse.com/show_bug.cgi?id=1265165

* https://bugzilla.suse.com/show_bug.cgi?id=1265166

* https://bugzilla.suse.com/show_bug.cgi?id=1265167

* https://bugzilla.suse.com/show_bug.cgi?id=1265168

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2374-1
Release Date: 2026-06-11T15:34:50Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * 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-SP7

Topics%20covered

Topics Covered

security advisory important authentication issue OpenSUSE tomcat11 seven issues

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