CVE-2025-8036
High
Published: 22 July 2025
Published
22 July 2025
Modified
13 April 2026
KEV Added
—
Patch
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CVSS Score v3.1
8.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS Score
0.0027
51.1th percentile
Risk Priority
16
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2025-8036 is a high-severity Reliance on Reverse DNS Resolution for a Security-Critical Action (CWE-350) vulnerability in Mozilla Firefox. Its CVSS base score is 8.1 (High).
Operationally, ranked in the top 48.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-22369
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
mozilla
firefox
≤ 140.1.0 · ≤ 141.0
mozilla
thunderbird
≤ 140.1.0 · ≤ 141.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.