CVE-2025-53506 (GCVE-0-2025-53506)
Vulnerability from cvelistv5
Published
2025-07-10 19:14
Modified
2025-11-04 21:11
Severity ?
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Summary
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. Other EOL versions may also be affected. Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue.
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Tomcat Version: 11.0.0-M1   ≤ 11.0.8
Version: 10.1.0-M1   ≤ 10.1.42
Version: 9.0.0.M1   ≤ 9.0.106
Version: 8.5.0   ≤ 8.5.100
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