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Message-ID: <a2cb17c1-f777-4e69-94c6-801c6d38b63c@apache.org>
Date: Wed, 13 Aug 2025 14:22:10 +0100
From: Mark Thomas <markt@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2025-55668: Apache Tomcat: session fixation via rewrite valve

Severity: moderate

Affected versions:

- Apache Tomcat 11.0.0-M1 through 11.0.7
- Apache Tomcat 10.1.0-M1 through 10.1.41
- Apache Tomcat 9.0.0.M1 through 9.0.105
- Apache Tomcat 8 before 9.0.0.M1 unknown

Description:

Session Fixation vulnerability in Apache Tomcat via rewrite valve.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 
10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105.
Older, EOL versions may also be affected.

Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, 
which fix the issue.

Credit:

Greg K (https://github.com/gregk4sec) (finder)

References:

https://lists.apache.org/thread/v6bknr96rl7l1qxkl1c03v0qdvbbqs47
https://www.cve.org/CVERecord?id=CVE-2025-55668

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