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Appaloosa Scout

Vulnerability · NVD

CVE-2025-8036

HIGH 8.1

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.

Attack vector : Network No privileges required
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS 0.42% exploit very unlikely percentile 34.4%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Vulnerable CPE configurations (2)
Vendor Product Versions
mozilla thunderbird
All platforms (wildcard)
<140.1.0
mozilla thunderbird
All platforms (wildcard)
<141.0
View on NVD ↗ Advisory · www.mozilla.org