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CVE-2025-8036
Published: Jul 22, 2025
Modified: Apr 13, 2026
PUBLISHED
Description
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.
| Vendor | Product | Versions |
|---|---|---|
Mozilla | Firefox | unaffected 140.1 - <= 140.*unaffected 141 - <= * |
Mozilla | Thunderbird | unaffected 140.1 - <= 140.*unaffected 141 - <= * |
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