Session Fixation Affecting tomcat-lib package, versions <1:9.0.110-2.el9_8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.02% (6th percentile)

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  • Snyk IDSNYK-RHEL9-TOMCATLIB-12612262
  • published10 Sept 2025
  • disclosed13 Aug 2025

Introduced: 13 Aug 2025

CVE-2025-55668  (opens in a new tab)
CWE-384  (opens in a new tab)

How to fix?

Upgrade RHEL:9 tomcat-lib to version 1:9.0.110-2.el9_8 or higher.
This issue was patched in RHSA-2026:18916.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat-lib package and not the tomcat-lib package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1