Download PuTTY: release 0.52

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This page contains download links for PuTTY release 0.52.

0.52, released on 2002-01-14, is not the latest release. See the Latest Release page for the most up-to-date release (currently 0.79).

Past releases of PuTTY are versions we thought were reasonably likely to work well, at the time they were released. However, later releases will almost always have fixed bugs and/or added new features. If you have a problem with this release, please try the latest release, to see if the problem has already been fixed.


This release has known security vulnerabilities. Consider using a later release instead, such as the latest version, 0.79.

The known vulnerabilities in this release are:

Binary files

putty.exe (the SSH and Telnet client itself)
x86: putty.exe (RSA sig) (DSA sig)
Alpha: putty.exe (RSA sig) (DSA sig)
pscp.exe (an SCP client, i.e. command-line secure file copy)
x86: pscp.exe (RSA sig) (DSA sig)
Alpha: pscp.exe (RSA sig) (DSA sig)
psftp.exe (an SFTP client, i.e. general file transfer sessions much like FTP)
x86: psftp.exe (RSA sig) (DSA sig)
Alpha: psftp.exe (RSA sig) (DSA sig)
puttytel.exe (a Telnet-only client)
x86: puttytel.exe (RSA sig) (DSA sig)
Alpha: puttytel.exe (RSA sig) (DSA sig)
plink.exe (a command-line interface to the PuTTY back ends)
x86: plink.exe (RSA sig) (DSA sig)
Alpha: plink.exe (RSA sig) (DSA sig)
pageant.exe (an SSH authentication agent for PuTTY, PSCP, PSFTP, and Plink)
x86: pageant.exe (RSA sig) (DSA sig)
Alpha: pageant.exe (RSA sig) (DSA sig)
puttygen.exe (a RSA and DSA key generation utility)
x86: puttygen.exe (RSA sig) (DSA sig)
Alpha: puttygen.exe (RSA sig) (DSA sig) (a .ZIP archive of all the above except PuTTYtel)
x86: (RSA sig) (DSA sig)
Alpha: (RSA sig) (DSA sig)


Browse the documentation on the web
HTML: Contents page
Downloadable documentation
Zipped HTML:
Plain text: puttydoc.txt
Legacy Windows Help: putty.hlp
Windows Help Contents: putty.cnt

Source code

Windows source archive
.zip: (RSA sig) (DSA sig)
git repository
gitweb: main | 0.52 release tag

Checksum files

Cryptographic checksums for all the above files
MD5: md5sums (RSA sig) (DSA sig)

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(last modified on Sat Aug 26 13:19:42 2023)