CVE-2024-0753

Summary

CVE-2024-0753 is a newly disclosed vulnerability affecting specific HSTS (HTTP Strict Transport Security) configurations. This issue allows an attacker to bypass HSTS on a subdomain, potentially leading to man-in-the-middle attacks. This vulnerability poses a risk to users of Firefox below version 122, Firefox ESR below 115.7, and Thunderbird below 115.7. HSTS is designed to prevent such attacks by enforcing secure connections, making this bypass a significant concern for cybersecurity.

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