CVE-2021-38493

Name of the Vulnerable Software and Affected Versions Firefox versions 91 and earlier Firefox ESR versions 78.13 and earlier Thunderbird versions 78.13 and earlier

Description The issue is related to memory safety bugs, which can lead to memory corruption. With sufficient effort, these bugs could potentially be exploited to run arbitrary code. The vulnerability is also described as a buffer overflow in memory, which could allow a remote attacker to execute arbitrary code.

Recommendations For Firefox versions 91 and earlier, update to version 92 or later. For Firefox ESR versions 78.13 and earlier, update to version 78.14 or later. For Thunderbird versions 78.13 and earlier, update to version 78.14 or later.