The Mozilla Foundation has released Firefox 73 that addresses multiple vulnerabilities. Attackers could exploit some of the vulnerabilities to take control of impacted systems.
In the latest security advisory 2020-05, Mozilla addressed three high severity and three moderate rated vulnerabilities.
The fixed high risk bugs include:
- CVE-2020-6796: Missing bounds check on shared memory read in the parent process
- CVE-2020-6800: Memory safety bugs
- CVE-2020-6801: Memory safety bugs.
Also, Mozilla noted that the memory safety bugs could be exploited to run arbitrary code.