REDHAT-BUG-2476518: High severity Apache Tomcat vulnerability

Published May 12, 2026
·
Updated

Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117. Older, unsupported versions may also be affected.

Users are recommended to upgrade to version [FIXEDVERSION], which fixes the issue.

Affected Software

1 affected component
Apache Tomcat>=11.0.0-M1<=11.0.21, >=10.1.0-M1<=10.1.54, >=9.0.0.M1<=9.0.117

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apache Tomcat to a version that resolves this vulnerability.

    Fixed in [FIXED_VERSION]

Event History

May 12, 2026
Data Sourced
via Red Hat·04:02 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2476518?

The severity of REDHAT-BUG-2476518 is classified as high, with a score of 7.

2

How do I fix REDHAT-BUG-2476518?

To fix REDHAT-BUG-2476518, users are recommended to upgrade to a supported version of Apache Tomcat.

3

Which versions of Apache Tomcat are affected by REDHAT-BUG-2476518?

REDHAT-BUG-2476518 affects Apache Tomcat versions from 11.0.0-M1 through 11.0.21, 10.1.0-M1 through 10.1.54, and 9.0.0.M1 through 9.0.117.

4

Is there a risk associated with REDHAT-BUG-2476518?

Yes, REDHAT-BUG-2476518 has a risk rating of 33, indicating a potential for significant impact if not addressed.

5

Are older versions of Apache Tomcat affected by REDHAT-BUG-2476518?

Yes, older, unsupported versions of Apache Tomcat may also be affected by REDHAT-BUG-2476518.

Contact

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