CVE-2023-42794
CVSS 3.1 Score 5.9 of 10 (medium)
Details
Published Oct 10, 2023
Updated: Dec 11, 2023
CWE ID 459
Summary
CVE-2023-42794 is an Incomplete Cleanup vulnerability affecting Apache Tomcat versions 9.0.70 to 9.0.80 and 8.5.85 to 8.5.93. The issue stems from an unreleased refactoring in the Commons FileUpload package, leading to a denial of service risk on Windows systems. When a web application opens a stream for an uploaded file but fails to close it, the file remains on the disk, potentially causing a disk space exhaustion issue over time. To mitigate this risk, users should upgrade to Tomcat versions 9.0.81 or later and 8.5.94 or later.
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Affected Products
- Apache Tomcat
Affected Vendors
- Apache Software Foundation
Advisories, Assessments, and Mitigations
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