cvedb.io
CVE-2025-4087
MEDIUM · CVSS 4.8
EPSS exploitation probability: 0%
Published 2025-04-29T14:15:35.357 · Last modified 2026-06-17T09:32:28.460

Summary

A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access and potentially, memory corruption. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Thunderbird 138, and Thunderbird 128.10.

Affected products

mozilla — firefox

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.