Information Leak Vulnerability in Undertow by Red Hat

CVE-2018-14642

What is CVE-2018-14642?

An information leak vulnerability was identified in Undertow that could allow sensitive data from previous requests to be inadvertently exposed. This occurs when not all headers are properly written in the initial write call, leading to the complete contents of the writevBuffer being disclosed during buffer flushing. Such a flaw has implications for data privacy and security, potentially allowing unauthorized access to sensitive information. It is critical for users of impacted Undertow versions to apply the necessary security updates to mitigate these risks.

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