Security update for MozillaThunderbird (important)

MozillaThunderbird was updated to 38.7.0 to fix the following issues:

• Update to Thunderbird 38.7.0 (boo#969894)
  • MFSA 2015-81/CVE-2015-4477 (bmo#1179484) Use-after-free in MediaStream
    playback
  • MFSA 2015-136/CVE-2015-7207 (bmo#1185256) Same-origin policy violation
    using performance.getEntries and history navigation
  • MFSA 2016-16/CVE-2016-1952 Miscellaneous memory safety hazards
  • MFSA 2016-17/CVE-2016-1954 (bmo#1243178) Local file overwriting and
    potential privilege escalation through CSP reports
  • MFSA 2016-20/CVE-2016-1957 (bmo#1227052) Memory leak in libstagefright
    when deleting an array during MP4 processing
  • MFSA 2016-21/CVE-2016-1958 (bmo#1228754) Displayed page address can be
    overridden
  • MFSA 2016-23/CVE-2016-1960/ZDI-CAN-3545 (bmo#1246014) Use-after-free
    in HTML5 string parser
  • MFSA 2016-24/CVE-2016-1961/ZDI-CAN-3574 (bmo#1249377) Use-after-free
    in SetBody
  • MFSA 2016-25/CVE-2016-1962 (bmo#1240760) Use-after-free when using
    multiple WebRTC data channels
  • MFSA 2016-27/CVE-2016-1964 (bmo#1243335) Use-after-free during XML
    transformations
  • MFSA 2016-28/CVE-2016-1965 (bmo#1245264) Addressbar spoofing though
    history navigation and Location protocol property
  • MFSA 2016-31/CVE-2016-1966 (bmo#1246054) Memory corruption with
    malicious NPAPI plugin
  • MFSA 2016-34/CVE-2016-1974 (bmo#1228103) Out-of-bounds read in HTML
    parser following a failed allocation
  • MFSA 2016-37/CVE-2016-1977/CVE-2016-2790/CVE-2016-2791/
    CVE-2016-2792/CVE-2016-2793/CVE-2016-2794/CVE-2016-2795/
    CVE-2016-2796/CVE-2016-2797/CVE-2016-2798/CVE-2016-2799/
    CVE-2016-2800/CVE-2016-2801/CVE-2016-2802 Font vulnerabilities in the
    Graphite 2 library