CVE-2025-8036

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.

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.

Thunderbird almacenó en caché las respuestas de preflight de CORS tras los cambios de dirección IP. Esto permitió eludir CORS mediante revinculación de DNS. Esta vulnerabilidad afecta a Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141 y Thunderbird < 140.1.