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SUSE Tomcat10 Important Vulnerabilities Fix Advisory 2026-22197-1

suse
Calendar Grey June 23, 2026
Dist Suse Esm H88
This SUSE advisory highlights important security updates for tomcat10 addressing seven distinct issues.
An update that solves seven vulnerabilities can now be installed.

Summary

## This update for tomcat10 fixes the following issues Update to Tomcat 10.1.55: * 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

Topics%20covered

Topics Covered

security advisory SuSE important websocket HTTP2 tomcat10

References

* bsc#1265145

* bsc#1265162

* bsc#1265163

* bsc#1265165

* bsc#1265166

* bsc#1265167

* bsc#1265168

Cross-

* CVE-2026-41284

* CVE-2026-41293

* CVE-2026-42498

* CVE-2026-43512

* CVE-2026-43513

* CVE-2026-43514

* CVE-2026-43515

CVSS scores:

* CVE-2026-41284 ( SUSE ): 7.1

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

* CVE-2026-41284 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-41284 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-41293 ( SUSE ): 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-2026-41293 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-41293 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-42498 ( SUSE ): 6.9

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22197-1
Release Date: 2026-06-20T06:54:39Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important websocket HTTP2 tomcat10

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