Protection Mechanism Failure Affecting thunderbird package, versions [,128.13)[140.0-b1,140.1)[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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- published24 Jul 2025
- disclosed22 Jul 2025
- creditJoe Turki
Introduced: 22 Jul 2025
NewCVE-2025-8032 (opens in a new tab)How to fix?
Upgrade thunderbird to version 128.13, 140.1, 141.0 or higher.
Overview
Affected versions of this package are vulnerable to Protection Mechanism Failure via improper handling of the XSLT document loading process, which failed to correctly propagate the source document and allowed bypassing of content security policy restrictions. An attacker can execute unauthorized scripts or access restricted resources by crafting malicious XSLT documents that are loaded in the affected environment.