Incorrect Calculation of Buffer Size 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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Test your applications- Snyk IDSNYK-UNMANAGED-THUNDERBIRD-10914962
- published24 Jul 2025
- disclosed22 Jul 2025
- creditGary Kwong
Introduced: 22 Jul 2025
NewCVE-2025-8028 (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 Incorrect Calculation of Buffer Size via the br_table instruction on arm64 architectures. An attacker can cause incorrect computation of branch addresses by providing a large number of entries, which may result in code execution or application instability.