CVE-2025-48988: Apache Tomcat: FileUpload large number of parts with headers DoS

Published Jun 16, 2025
·
Updated

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

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105.

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

Other sources

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

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. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, 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.

— NVD

Affected Software

10 affected componentsFixes available
maven/org.apache.tomcat.embed:tomcat-embed-core>=9.0.0.M1<=9.0.105
9.0.106
maven/org.apache.tomcat.embed:tomcat-embed-core>=10.1.0-M1<=10.1.41
10.1.42
maven/org.apache.tomcat.embed:tomcat-embed-core>=11.0.0-M1<=11.0.7
11.0.8
maven/org.apache.tomcat:tomcat-catalina>=9.0.0.M1<=9.0.105
9.0.106
maven/org.apache.tomcat:tomcat-catalina>=10.1.0-M1<=10.1.41
10.1.42
maven/org.apache.tomcat:tomcat-catalina>=11.0.0-M1<=11.0.7
11.0.8
Apache Tomcat>=9.0.0<9.0.106
Apache Tomcat>=10.1.0<10.1.42
Apache Tomcat>=11.0.0<11.0.8
IBM API Connect V12 OnPrem<=All

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade maven/org.apache.tomcat.embed:tomcat-embed-core to a version that resolves this vulnerability.

    Fixed in 9.0.106
  2. Upgrade

    Upgrade maven/org.apache.tomcat.embed:tomcat-embed-core to a version that resolves this vulnerability.

    Fixed in 10.1.42
  3. Upgrade

    Upgrade maven/org.apache.tomcat.embed:tomcat-embed-core to a version that resolves this vulnerability.

    Fixed in 11.0.8
  4. Upgrade

    Upgrade maven/org.apache.tomcat:tomcat-catalina to a version that resolves this vulnerability.

    Fixed in 9.0.106
  5. Upgrade

    Upgrade maven/org.apache.tomcat:tomcat-catalina to a version that resolves this vulnerability.

    Fixed in 10.1.42
  6. Upgrade

    Upgrade maven/org.apache.tomcat:tomcat-catalina to a version that resolves this vulnerability.

    Fixed in 11.0.8
  7. Upgrade

    Upgrade Apache Tomcat to a version that resolves this vulnerability.

    Fixed in 11.0.8
  8. Upgrade

    Upgrade Apache Tomcat to a version that resolves this vulnerability.

    Fixed in 10.1.42
  9. Upgrade

    Upgrade Apache Tomcat to a version that resolves this vulnerability.

    Fixed in 9.0.106

Event History

Jun 16, 2025
CVE Published
via MITRE·02:13 PM
Data Sourced
via MITRE·02:13 PM
DescriptionWeakness
Data Sourced
via Red Hat·03:01 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeaknessAffected Software
Advisory Published
via GitHub·03:32 PM
Data Sourced
via GitHub·03:32 PM
DescriptionSeverityWeaknessAffected Software
Jul 7, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2025-48988?

CVE-2025-48988 is considered a high severity vulnerability due to the potential for resource exhaustion.

2

How do I fix CVE-2025-48988?

To remediate CVE-2025-48988, upgrade Apache Tomcat to version 11.0.8, 10.1.42, or 9.0.106.

3

Which Apache Tomcat versions are affected by CVE-2025-48988?

CVE-2025-48988 affects Apache Tomcat versions from 11.0.0-M1 through 11.0.7, 10.1.0-M1 through 10.1.41, and 9.0.0.M1 through 9.0.105.

4

What type of vulnerability is CVE-2025-48988?

CVE-2025-48988 is an allocation of resources without limits or throttling vulnerability.

5

Is there a specific version of Tomcat I should upgrade to for CVE-2025-48988?

Yes, it is recommended to upgrade to Apache Tomcat versions 11.0.8, 10.1.42, or 9.0.106 to fix CVE-2025-48988.

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