Security Advisory

CVE-2019-9792

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2019-04-26 16:13:22

Last updated 2024-08-04 22:01:54

Assigner mozilla

CVSS score not scored

State PUBLISHED

Description

The IonMonkey just-in-time (JIT) compiler can leak an internal JS_OPTIMIZED_OUT magic value to the running script during a bailout. This magic value can then be used by JavaScript to achieve memory corruption, which results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

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