GSTOOL versions 3.0 through 4.7 contain an insecure encryption feature using the non-public CHIASMUS block cipher.
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Miranda IM version 0.8.16 TLS man-in-the-middle proof of concept exploit.
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Miranda versions 0.8.16 and 0.9.0 alpha build #6 Unicode and SVN rev. 11383 suffer from a silent TLS failure.
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