Apache Tomcat: DoS via excessive h2 streams at connection st…(CVE-2025-53506)

概要

Apache Tomcat: DoS via excessive h2 streams at connection start

原文の説明

取得元が公開している説明をそのまま載せています (多くは英語)。

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 through 11.0.8, from 10.1.0 through 10.1.42, from 9.0.0 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.

出典: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

影響パッケージ

Bitnami tomcat

[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"9.0.107"},{"introduced":"10.0.0"},{"fixed":"10.1.43"},{"introduced":"11.0.0"},{"fixed":"11.0.9"}]}]

ディストリビューション別の修正状況

各ディストリビューションが公開している、この CVE の修正パッケージ

Debian DEBIAN-CVE-2025-53506 tomcat10 修正版: 10.1.52-1~deb12u1
Ubuntu UBUNTU-CVE-2025-53506 tomcat6

概要

原文の説明

影響パッケージ

ディストリビューション別の修正状況

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