A AegiFlow
HIGHCVSS 8.1

CVE-2025-8036

CVE-2025-8036 updated by NVD

Modified
2026-10-07
Sources
nvd

Summary

Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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