Updated thunderbird packages fix security vulnerabilities:
Mozilla: Memory safety bugs fixed in Firefox 60 and Firefox ESR 52.8 (CVE-2018-5150).
Mozilla: Use-after-free with SVG animations and clip paths (CVE-2018-5154).
Mozilla: Use-after-free with SVG animations and text paths (CVE-2018-5155).
Mozilla: Integer overflow and out-of-bounds write in Skia (CVE-2018-5159).
Mozilla: Hang via malformed headers (CVE-2018-5161).
Mozilla: Encrypted mail leaks plaintext through src attribute (CVE-2018-5162).
Mozilla: Lightweight themes can be installed without user interaction (CVE-2018-5168).
Mozilla: Filename spoofing for external attachments (CVE-2018-5170).
Mozilla: Buffer overflow during UTF-8 to Unicode string conversion through legacy extension (CVE-2018-5178).
Mozilla: Backport critical security fixes in Skia (CVE-2018-5183).
Mozilla: Full plaintext recovery in S/MIME via chosen-ciphertext attack (CVE-2018-5184).
Mozilla: Leaking plaintext through HTML forms (CVE-2018-5185).