CVE-2021-4138

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned in the provided descriptions.

Description The issue concerns improved Host header checks. These checks are designed to reject requests that are not sent to a well-known local hostname or IP, or the server-specified hostname. This is a measure to enhance security by ensuring that requests are legitimate and targeted at the correct host.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.