Origin Validation Error Affecting thunderbird package, versions [,140.1)[141.0-b1,141.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-THUNDERBIRD-10914953
- published24 Jul 2025
- disclosed22 Jul 2025
- creditViktor Bocz
Introduced: 22 Jul 2025
NewCVE-2025-8036 (opens in a new tab)How to fix?
Upgrade thunderbird to version 140.1, 141.0 or higher.
Overview
Affected versions of this package are vulnerable to Origin Validation Error via the CORS preflight cache process. An attacker can access restricted resources by leveraging DNS rebinding to bypass cross-origin protections.