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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:NMozilla Firefox
APPMozilla< 140.1.0< 141.0Mozilla Thunderbird
APPMozilla< 140.1.0< 141.0
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CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
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