cvedb.io
CVE-2025-5269
HIGH · CVSS 8.1
EPSS exploitation probability: 0%
Published 2025-05-27T13:15:22.717 · Last modified 2026-06-17T09:47:35.080

Summary

Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 128.11 and Thunderbird 128.11.

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.