Updated thunderbird packages has been released for Debian GNU/Linux 7 LTS

Package : thunderbird
Version : 1:52.6.0-1~deb7u1
CVE ID : CVE-2018-5089 CVE-2018-5095 CVE-2018-5096 CVE-2018-5097
CVE-2018-5098 CVE-2018-5099 CVE-2018-5102 CVE-2018-5103
CVE-2018-5104 CVE-2018-5117
Debian Bug : 885157 885158 887766

Multiple security issues have been found in the Mozilla Thunderbird mail
client: Multiple memory safety errors, use after free, integer overflows
and other implementation errors may lead to crashes or the execution of
arbitrary code.

For Debian 7 "Wheezy", these problems have been fixed in version
1:52.6.0-1~deb7u1.

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

  Thunderbird Security Update for Debian 7 LTS