Thunderbird 13 is now available for download. Thunderbird is a free, open source, cross-platform e-mail and developed by the Mozilla Foundation.
what’s new in this version of thunderbird?
Filelink: Upload your files to an online storage service and send links to your friends, avoiding bounce back due to large attachments.YouSendIt brings this feature.
In partnership with Gandi and Hover, now sign up for a personalized email address from within Thunderbird. Along with your new email address, Thunderbird will be automatically set up and ready to send and receive messages.
The minimum system requirements for Windows are now Windows XP Service Pack 2 or later
Buffer overflow and use-after-free issues found using Address Sanitizer
NSS parsing errors with zero length items
Use-after-free while replacing/inserting a node in a document
Information disclosure though Windows file shares and shortcut files
Content Security Policy inline-script bypass
Privilege escalation through Mozilla Updater and Windows Updater Service
Miscellaneous memory safety hazards