Download Mozilla Thunderbird 17.0.3

The Mozilla Foundation has released an update for version 17 of Thunderbird. Mozilla Thunderbird is an open source client for mail and newsgroups, with features such as support for several mail and news accounts, a junk mail filter, spell checker and a customizable appearance. The version number is fixed at 17.0.3 and contains mainly security improvements:

Fixed in version 17.0.3:

• Security fixes:
  • MFSA 2013-28 Use-after-free, out of bounds read, and buffer overflow issues found using Address Sanitizer
  • MFSA 2013-27 Phishing on HTTPS connection through malicious proxy
  • MFSA 2013-26 Use after free in nsImageLoadingContent
  • MFSA 2013-25 Privacy leak in JavaScript Workers
  • MFSA 2013-24 Web content bypass of COW and SOW security wrappers
  • MFSA 2013-23 Wrapped WebIDL objects can be wrapped again
  • MFSA 2013-22 Out-of-bounds read in image rendering
  • MFSA 2013-21 Miscellaneous memory safety hazards (rv:19.0 / rv:17.0.3)
• Attachments sometimes could not be removed from the composition window using the keyboard, this is now fixed (799451)