CVE-2018-12386

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

Metrics

CVSS 3.0 8.1/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-704

Affected software

No affected versions have been published.

Timeline

Published
Oct 18, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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