- update to Thunderbird 52.7 (bsc#1085130)
* Searching message bodies of messages in local folders, including
filter and quick filter operations, did not find content in
message attachments
* Better error handling for Yahoo accounts
MFSA 2018-08
* CVE-2018-5146 (bmo#1446062)
Out of bounds memory write in libvorbis
* CVE-2018-5147 (bmo#1446365)
Out of bounds memory write in libtremor

* CVE-2017-7846 (bmo#1411716, bsc#1074043)
* CVE-2017-7847 (bmo#1411708, bsc#1074044)
* CVE-2017-7848 (bmo#1411699, bsc#1074045)
* CVE-2017-7829 (bmo#1423432, bsc#1074046)