Mozilla · Firefox Esr · CVE-2019-9788
**Name of the Vulnerable Software and Affected Versions**
Firefox versions prior to 66
Firefox ESR versions prior to 60.6
Thunderbird versions prior to 60.6
**Description**
The issue is related to memory safety bugs and buffer copying without checking the size of input data, which could potentially be exploited to run arbitrary code. This may lead to memory corruption.
**Recommendations**
For Firefox versions prior to 66, update to version 66 or later.
For Firefox ESR versions prior to 60.6, update to version 60.6 or later.
For Thunderbird versions prior to 60.6, update to version 60.6 or later.