This bug was fixed in the package thunderbird - 13.0.1+build1-0ubuntu0.12.04.1

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thunderbird (13.0.1+build1-0ubuntu0.12.04.1) precise-security; urgency=low

  * New upstream stable release (THUNDERBIRD_13_0_1_BUILD1)
    - see LP: #1007556 for USN information

  * Refresh build-depends:
    - Bump minimum GTK version to 2.14 as we build with GIO support
    - Add minimum requirement for glib (2.18)
    - Drop libidl-dev, this doesn't appear to be needed now
    - Bump minimum NSPR version to 4.9.0 for --enable-system-nspr builds
    - Bump minimum sqlite version to 3.7.10 for --enable-system-sqlite
      builds
    - Bump minimum NSS version to 3.13.2 for --enable-system-nss builds
  * Clean up the file exclude list and add comments for excluded files
    - update debian/build/create-tarball.py
  * Make it easy to run Thunderbird in valgrind for builds that are compiled
    with explicit valgrind support
    - update debian/thunderbird.sh.in
  * Refresh patches:
    - update debian/patches/revert-bmo621446-investigation.patch
    - update debian/patches/theme-refresh-addressbook-toolbar-icons.patch
    - update debian/patches/theme-refresh-compose-toolbar-icons.patch
    - update debian/patches/theme-refresh-messenger-toolbar-icons.patch
    - update debian/patches/dont-include-hyphenation-patterns.patch
  * Drop patches fixed upstream:
    - remove debian/patches/use-menubar-text-colour-on-tabbar.patch
    - remove debian/patches/no-sps-profiler-on-unsupported-archs.patch
    - remove debian/patches/distro-locale-searchplugins.patch
    - remove debian/patches/avoid-dbus-roundtrip-for-httpchannel.patch
    - update debian/patches/series
  * Bump debhelper compat to 7
    - update debian/apport/blacklist.in
    - update debian/appoty/source_thunderbird.py.in
    - update debian/compat
    - update debian/config/mozconfig.in
    - update debian/control.in
    - update debian/rules
    - update debian/thunderbird-dev.install.in
    - update debian/thunderbird-dev.links.in
    - update debian/thunderbird-globalmenu.dirs.in
    - update debian/thunderbird-gnome-support.install.in
    - update debian/thunderbird.dirs.in
    - update debian/thunderbird.install.in
    - update debian/thunderbird.links.in
    - update debian/thunderbird.lintian-overrides.in
    - update debian/thunderbird.sh.in
  * Use "general.useragent.locale" to select the searchengine locale
    - update debian/patches/distro-locale-searchplugins.patch
    - add debian/patches/dont-override-general-useragent-locale.patch
    - update debian/patches/series
  * Drop no-dynamic-nss-softokn.patch. This patch has no documentation and
    it doesn't look like it's actually useful for anything
  * Apport hook improvements:
    - Add support for reporting preference defaults that are set by extensions
    - When reporting preferences, record the source of each preference
    - Report plugin packages for plugins that are installed with the
      package manager
    - Add some addon manager related prefs to the whitelist
    - Display additional metadata in the extensions report
    - Take "default-to-compatible" in to account when determining whether
      the user is running incompatible addons
    - Attach submitted crash ID's to bug reports
    - Report if files in the profile folder have broken permissions
  * Update compare-locales to 0.9.5
  * Fix for NSS libs not being signed, breaking FIPS
    - update debian/rules
  * Update StartupWMClass to the correct name
    - update debian/thunderbird.desktop.in
    - update debian/rules
 -- Chris Coulson <email address hidden>   Fri, 15 Jun 2012 02:06:28 -0500