CVE-2023-46136

Summary

CVE-2023-46136 is a denial-of-service vulnerability affecting Werkzeug, a popular WSGI web application library. Maliciously crafted multipart data can be sent to an endpoint, causing the library to append large chunks of data into an internal bytearray. The vulnerability lies in the lack of proper boundary checking, resulting in excessive CPU usage and blocked worker processes. This issue has been addressed in Werkzeug version 3.0.1.

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