This update contains Mozilla Thunderbird 45.2. (boo#983549)
It fixes security issues mostly affecting the e-mail program when used in a browser context, such as viewing a web page or HTMl formatted e-mail.
The following vulnerabilities were fixed:
Contains the following security fixes from the 45.1 release: (boo#977333)
Contains the following security fixes from the 45.0 release: (boo#969894)
The graphite font shaping library was disabled, addressing the following font vulnerabilities:
The following tracked packaging changes are included: