CVE-2021-29977

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 90

Description The issue is caused by a buffer overflow in memory, potentially allowing a remote attacker to execute arbitrary code. It is reported that memory safety bugs present in Firefox 89 could be exploited with enough effort to run arbitrary code.

Recommendations For Firefox versions prior to 90, update to version 90 or later to resolve the issue.