Several vulnerabilities were found and fixed in Mozilla Thunderbird.
For details, please consult the references below.
Impact
A remote attacker could craft malicious emails that would leverage
these issues to inject and execute arbitrary script code with elevated
privileges, spoof content, and possibly execute arbitrary code with the
rights of the user running the application.
Workaround
There are no known workarounds for all the issues at this time.
Resolution
All Mozilla Thunderbird users should upgrade to the latest version:
Note: There is no stable fixed version for the Alpha architecture yet.
Users of Mozilla Thunderbird on Alpha should consider unmerging it
until such a version is available.
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.