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

[Mark Thomas <markt () apache org>]

Severity: important

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

Description:

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.

Credit:

TERASOLUNA Framework Security Team of NTT DATA Group Corporation (finder)

References:

https://lists.apache.org/thread/nzkqsok8t42qofgqfmck536mtyzygp18
https://tomcat.apache.org/
https://www.cve.org/CVERecord?id=CVE-2025-48988