CVE-2026-41284: Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling

[Mark Thomas <markt () apache org>]

CVE-2026-41284: Apache Tomcat: Unbounded read in WebDAV LOCK and 
PROPFIND handling

Severity: low

Affected versions:

- Apache Tomcat 11.0.0-M1 through 11.0.21
- Apache Tomcat 10.1.0-M1 through 10.1.54
- Apache Tomcat 9.0.0.M1 through 9.0.117
- Apache Tomcat 10.0.0-M1 through 10.0.27
- Apache Tomcat 8.5.0 through 8.5.100
- Apache Tomcat 4.0 through 7.0.109

Description:

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

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, 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 [FIXED_VERSION], which fixes 
the issue.

Credit:

Dariusz Gońda (finder)

References:

https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc
https://tomcat.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-41284