CVE-2025-8036 — DNS rebinding circumvents CORS
Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox E…
Published: 2025-07-22 · CVSS: 8.1 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7