Mozilla · Thunderbird · CVE-2022-22751
**Name of the Vulnerable Software and Affected Versions**
Firefox versions prior to 96
Firefox ESR versions prior to 91.5
Thunderbird versions prior to 91.5
**Description**
The issue is related to memory safety bugs present in the software, which can lead to memory corruption. With sufficient effort, these bugs could be exploited to run arbitrary code. The vulnerability is associated with incorrect limitation of operations within the bounds of a memory buffer when processing HTML content. This could allow a remote attacker to cause memory damage and execute arbitrary code on the target system.
**Recommendations**
For Firefox versions prior to 96, update to version 96 or later.
For Firefox ESR versions prior to 91.5, update to version 91.5 or later.
For Thunderbird versions prior to 91.5, update to version 91.5 or later.