Debian: DSA-4362-1 Critical: Thunderbird Code Execution Risk Advisory

Multiple security issues have been found in Thunderbird, which may lead
to the execution of arbitrary code or denial of service.

For the stable distribution (stretch), this problem has been fixed in
version 1:60.4.0-1~deb9u1.

We recommend that you upgrade your thunderbird packages.

For the detailed security status of thunderbird please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/thunderbird

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/