Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2019-9792

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.197
EPSS Ranking 95.1%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
Products affected by CVE-2019-9792


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