CVE-2021-38501

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 93 Firefox ESR versions prior to 91.2 Thunderbird versions prior to 91.2

Description The issue is caused by memory safety bugs, including evidence of memory corruption, which could potentially be exploited to run arbitrary code with enough effort. It is also described as a buffer overflow vulnerability that may allow a remote attacker to execute arbitrary code.

Recommendations For Firefox versions prior to 93, update to version 93 or later. For Firefox ESR versions prior to 91.2, update to version 91.2 or later. For Thunderbird versions prior to 91.2, update to version 91.2 or later.