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CVE-2022-42252

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CVE-2022-42252

Published: Nov 1, 2022

Modified: May 6, 2025

PUBLISHED

Description

If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (the default for 8.5.x only), Tomcat did not reject a request containing an invalid Content-Length header making a request smuggling attack possible if Tomcat was located behind a reverse proxy that also failed to reject the request with the invalid header.

VendorProductVersions

Apache Software Foundation

Apache Tomcat

affected
10.1.0-M1 - <= 10.1.0
affected
10.0.0-M1 - <= 10.0.26
affected
9.0.0-M1 - <= 9.0.67
affected
8.5.0 - <= 8.5.82

Weaknesses (CWE)

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