CVE-2025-61795
Unknown Unknown - Not Provided
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Publication date: 2025-10-27

Last updated on: 2025-11-14

Assigner: Apache Software Foundation

Description
Improper Resource Shutdown or Release vulnerability in Apache Tomcat. If an error occurred (including exceeding limits) during the processing of a multipart upload, temporary copies of the uploaded parts written to disc were not cleaned up immediately but left for the garbage collection process to delete. Depending on JVM settings, application memory usage and application load, it was possible that space for the temporary copies of uploaded parts would be filled faster than GC cleared it, leading to a DoS. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.11, from 10.1.0-M1 through 10.1.46, from 9.0.0.M1 through 9.0.109. 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 11.0.12 or later, 10.1.47 or later or 9.0.110 or later which fixes the issue.
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Meta Information
Published
2025-10-27
Last Modified
2025-11-14
Generated
2026-06-16
AI Q&A
2025-10-27
EPSS Evaluated
2026-06-15
NVD
CVE-2025-61795
Affected Vendors & Products
Showing 5 associated CPEs
Vendor Product Version / Range
apache tomcat From 8.5.0 (inc) to 8.5.100 (inc)
apache tomcat From 9.0.0 (inc) to 9.0.110 (exc)
apache tomcat From 10.0.0 (inc) to 10.0.27 (exc)
apache tomcat From 10.1.0 (inc) to 10.1.47 (exc)
apache tomcat From 11.0.0 (inc) to 11.0.12 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-404 The product does not release or incorrectly releases a resource before it is made available for re-use.
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Executive Summary

This vulnerability in Apache Tomcat involves improper resource shutdown or release during multipart uploads. When an error occurs while processing these uploads, temporary files created on disk are not immediately deleted but instead rely on the garbage collection process to remove them. Depending on JVM settings, memory usage, and load, these temporary files can accumulate faster than they are cleaned up, potentially causing a denial of service (DoS) by filling up disk space.

Impact Analysis

The vulnerability can lead to a denial of service (DoS) condition by exhausting disk space with leftover temporary files from multipart uploads that are not promptly deleted. This can degrade application performance or cause the application to become unavailable until the disk space is freed.

Mitigation Strategies

Users are recommended to upgrade Apache Tomcat to version 11.0.12 or later, 10.1.47 or later, or 9.0.110 or later which fixes the issue. This upgrade addresses the improper resource shutdown or release vulnerability related to multipart upload temporary files not being cleaned up promptly, preventing potential denial of service.

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