CVE-2021-23964

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 85 Firefox ESR versions prior to 78.7 Thunderbird versions prior to 78.7

Description The issue is related to 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 in memory, allowing a remote attacker to execute arbitrary code.

Recommendations For Firefox versions prior to 85, update to version 85 or later. For Firefox ESR versions prior to 78.7, update to version 78.7 or later. For Thunderbird versions prior to 78.7, update to version 78.7 or later.