CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. It affects Firefox, Java. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 13.2% probability of exploitation in the next 30 days.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Note: these links are listed for security research and verification purposes only.
Original NVD 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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)