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CVE-2018-12387
CRITICAL · CVSS 9.1
EPSS exploitation probability: 0%
Published 2018-10-18T13:29:06.400 · Last modified 2026-06-17T01:37:41.010

Summary

A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

Affected products

redhat — enterprise_linux_desktop

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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.