Tails 4.2 fixes many security issues that affect Tails 4.1.1. You should upgrade to Tails 4.2 as soon as possible.

• Tor Browser: Mozilla Foundation Security Advisory 2020-02
• Thunderbird: No MFSA published.
• Linux: CVE-2019-19602, CVE-2019-18811, CVE-2019-18660, CVE-2019-15291, CVE-2019-18683, CVE-2019-15099, CVE-2019-19524, CVE-2019-19051, CVE-2019-19047, CVE-2019-19045, CVE-2019-19534, CVE-2019-19529, CVE-2019-19052
• Cyrus SASL: Debian Security Advisory 4591
• Python ECDSA: Debian Security Advisory 4588