seamonkey was updated to version 2.31 to fix 20 security issues.

These security issues were fixed:
- Miscellaneous memory safety hazards (CVE-2014-1587, CVE-2014-1588).
- XBL bindings accessible via improper CSS declarations (CVE-2014-1589).
- XMLHttpRequest crashes with some input streams (CVE-2014-1590).
- CSP leaks redirect data via violation reports (CVE-2014-1591).
- Use-after-free during HTML5 parsing (CVE-2014-1592).
- Buffer overflow while parsing media content (CVE-2014-1593).
- Bad casting from the BasicThebesLayer to BasicContainerLayer (CVE-2014-1594).
- Miscellaneous memory safety hazards (CVE-2014-1574, CVE-2014-1575).
- Buffer overflow during CSS manipulation (CVE-2014-1576).
- Web Audio memory corruption issues with custom waveforms (CVE-2014-1577).
- Out-of-bounds write with WebM video (CVE-2014-1578).
- Further uninitialized memory use during GIF rendering (CVE-2014-1580).
- Use-after-free interacting with text directionality (CVE-2014-1581).
- Key pinning bypasses (CVE-2014-1582, CVE-2014-1584).
- Inconsistent video sharing within iframe (CVE-2014-1585, CVE-2014-1586).
- Accessing cross-origin objects via the Alarms API (only relevant for installed web apps) (CVE-2014-1583).

This non-security issue was fixed:
- define /usr/share/myspell as additional dictionary location and remove add-plugins.sh finally (bnc#900639).