the release of the Mozilla Thunderbird 184.108.40.206
"This update fixes two security issues, which are detailed in the Thunderbird 220.127.116.11 section of the Mozilla Foundation Security Advisories page (they're the same bugs that were eliminated in the equivalent Mozilla Firefox 18.104.22.168 release earlier this week).
The security issues involve the passing of URIs to external programs
and privilege escalation through chrome-loaded about:blank windows.
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