A thunderbird security update has been released for Debian GNU/Linux 8 LTS to address multiple security issues, which may lead to the execution of arbitrary code or denial of service.

Package : thunderbird
Version : 1:68.5.0-1~deb8u1
CVE ID : CVE-2020-6792 CVE-2020-6793 CVE-2020-6794 CVE-2020-6795
CVE-2020-6798 CVE-2020-6800

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

For Debian 8 "Jessie", these problems have been fixed in version
1:68.5.0-1~deb8u1.

We recommend that you upgrade your thunderbird packages.

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