John Schanck

**Name of the Vulnerable Software and Affected Versions** Thunderbird version 150 Firefox version 150 **Description** Memory safety bugs involving memory corruption may allow an attacker to execute arbitrary code. **Recommendations** Update Thunderbird to version 151. Update Firefox to version 151.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 122 Firefox ESR versions prior to 115.9 Thunderbird versions prior to 115.9 **Description** The issue is related to an unchecked return value in TLS handshake code, which could cause a potentially exploitable crash. This could allow a remote attacker to cause a denial of service. **Recommendations** For Firefox versions prior to 122, update to version 122 or later. For Firefox ESR versions prior to 115.9, update to version 115.9 or later. For Thunderbird versions prior to 115.9, update to version 115.9 or later.