vulnerability
SUSE: CVE-2025-53506: SUSE Linux Security Advisory
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Aug 27, 2025 | Dec 5, 2025 | Dec 5, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Aug 27, 2025
Added
Dec 5, 2025
Modified
Dec 5, 2025
Description
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.
The following versions were EOL at the time the CVE was created but are
known to be affected: 8.5.0 through 8.5.100.
Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue.
Solutions
suse-upgrade-tomcatsuse-upgrade-tomcat-admin-webappssuse-upgrade-tomcat-docs-webappsuse-upgrade-tomcat-el-3_0-apisuse-upgrade-tomcat-embedsuse-upgrade-tomcat-javadocsuse-upgrade-tomcat-jsp-2_3-apisuse-upgrade-tomcat-jsvcsuse-upgrade-tomcat-libsuse-upgrade-tomcat-servlet-4_0-apisuse-upgrade-tomcat-webappssuse-upgrade-tomcat10suse-upgrade-tomcat10-admin-webappssuse-upgrade-tomcat10-docsuse-upgrade-tomcat10-docs-webappsuse-upgrade-tomcat10-el-5_0-apisuse-upgrade-tomcat10-embedsuse-upgrade-tomcat10-jsp-3_1-apisuse-upgrade-tomcat10-jsvcsuse-upgrade-tomcat10-libsuse-upgrade-tomcat10-servlet-6_0-apisuse-upgrade-tomcat10-webappssuse-upgrade-tomcat11suse-upgrade-tomcat11-admin-webappssuse-upgrade-tomcat11-docsuse-upgrade-tomcat11-docs-webappsuse-upgrade-tomcat11-el-6_0-apisuse-upgrade-tomcat11-embedsuse-upgrade-tomcat11-jsp-4_0-apisuse-upgrade-tomcat11-jsvcsuse-upgrade-tomcat11-libsuse-upgrade-tomcat11-servlet-6_1-apisuse-upgrade-tomcat11-webapps
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