MozillaThunderbird was updated to Thunderbird 31.1.0 (bnc#894370), fixinfg security issues:
* MFSA 2014-67/CVE-2014-1553/CVE-2014-1562
Miscellaneous memory safety hazards
* MFSA 2014-68/CVE-2014-1563 (bmo#1018524)
Use-after-free during DOM interactions with SVG
* MFSA 2014-69/CVE-2014-1564 (bmo#1045977)
Uninitialized memory use during GIF rendering
* MFSA 2014-70/CVE-2014-1565 (bmo#1047831)
Out-of-bounds read in Web Audio audio timeline
* MFSA 2014-72/CVE-2014-1567 (bmo#1037641)
Use-after-free setting text directionality

- update to Thunderbird 31.0
* based on Gecko 31
* Autocompleting email addresses now matches against any part of
the name or email
* Composing a mail to a newsgroup will now autocomplete newsgroup
names
* Insecure NTLM (pre-NTLMv2) authentication disabled