Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird < 140.1.
No PoCs from references.
- https://github.com/ARPSyndicate/cve-scores
- https://github.com/fkie-cad/nvd-json-data-feeds