Tristan Bourvon

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 58 **Description** The issue is related to memory safety bugs, including evidence of memory corruption, which could potentially be exploited to run arbitrary code. The vulnerability is also described as a buffer data boundary operation issue, allowing a remote attacker to execute arbitrary code. **Recommendations** For versions prior to 58, update to version 58 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive data and minimizing browser usage until the update is applied.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 55 Firefox ESR versions prior to 52.3 Thunderbird versions prior to 52.3 **Description** Memory safety bugs were reported, showing evidence of memory corruption. It is presumed that with enough effort, some of these bugs could be exploited to run arbitrary code. **Recommendations** For Firefox versions prior to 55, update to version 55 or later. For Firefox ESR versions prior to 52.3, update to version 52.3 or later. For Thunderbird versions prior to 52.3, update to version 52.3 or later.