Vulnerability CVE-2021-4138
Published: 2022-05-02   Modified: 2022-05-03

Description:
Improved Host header checks to reject requests not sent to a well-known local hostname or IP, or the server-specified hostname.

 References:
https://bugzilla.mozilla.org/show_bug.cgi?id=1652612
https://github.com/mozilla/geckodriver/releases/tag/v0.30.0
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