CVE-2017-5651

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

In Apache Tomcat 9.0.0.M1 to 9.0.0.M18 and 8.5.0 to 8.5.12, the refactoring of the HTTP connectors introduced a regression in the send file processing. If the send file processing completed quickly, it was possible for the Processor to be added to the processor cache twice. This could result in the same Processor being used for multiple requests which in turn could lead to unexpected errors and/or response mix-up.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
Apache Software FoundationApache Tomcat9.0.0.M1 to 9.0.0.M18; 8.5.0 to 8.5.12

References

Timeline

Published
Apr 17, 2017
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2017-5651: Critical severity, CVSS 9.8 | Vulnix