Debian: DSA-3921-1: enigmail update
Summary
In DSA 3918 Thunderbird was upgraded to the latest ESR series. This
update upgrades Enigmail, the OpenPGP extention for Thunderbird,
to version 1.9.8.1 to restore full compatibility.
For the oldstable distribution (jessie), this problem has been fixed
in version 2:1.9.8.1-1~deb8u1.
For the stable distribution (stretch), this problem has been fixed in
version 2:1.9.8.1-1~deb9u1.
We recommend that you upgrade your enigmail packages.
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/