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. 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.

INFO

Published Date :

2025-07-10T19:14:23.249Z

Last Modified :

2025-11-04T21:11:48.893Z

Source :

apache
AFFECTED PRODUCTS

The following products are affected by CVE-2025-53506 vulnerability.

Vendors Products
Apache
  • Tomcat
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-53506.

URL Resource
http://www.openwall.com/lists/oss-security/2025/07/10/13 cve-icon
https://lists.apache.org/thread/p09775q0rd185m6zz98krg0fp45j8kr0 cve-icon cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-53506 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-53506 cve-icon
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CVSS Vulnerability Scoring System

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