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CVE-2017-5397
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2018-06-11T21:29:03.827 · Last modified 2026-06-17T01:20:23.767

Summary

The cache directory on the local file system is set to be world writable. Firefox defaults to extracting libraries from this cache. This allows for the possibility of an installed malicious application or tools with write access to the file system to replace files used by Firefox with their own versions. This vulnerability affects Firefox < 51.0.3.

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.