cvedb.io
CVE-2016-5254
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2016-08-05T01:59:12.017 · Last modified 2026-06-17T00:49:03.540

Summary

Use-after-free vulnerability in the nsXULPopupManager::KeyDown function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) by leveraging keyboard access to use the Alt key during selection of top-level menu items.

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.