cvedb.io
CVE-2021-38496
HIGH · CVSS 8.8
EPSS exploitation probability: 0%
Published 2021-11-03T01:15:07.380 · Last modified 2026-06-17T04:02:13.583

Summary

During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

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.