Mozilla · Firefox Esr · CVE-2018-5187
**Name of the Vulnerable Software and Affected Versions**
Firefox versions prior to 61
Firefox ESR versions prior to 60.1
Thunderbird versions prior to 60
**Description**
The issue is related to memory safety bugs that can lead to memory corruption. It is presumed that with sufficient effort, these bugs could be exploited to run arbitrary code. The vulnerability can be exploited by a remote attacker to execute arbitrary code.
**Recommendations**
For Firefox versions prior to 61, update to version 61 or later.
For Firefox ESR versions prior to 60.1, update to version 60.1 or later.
For Thunderbird versions prior to 60, update to version 60 or later.