Download PuTTY: release 0.49

This release has known security vulnerabilities. Consider using a later release instead, such as the latest version, 0.81.

The known vulnerabilities in this release are:

• private-key-not-wiped (fixed in release 0.63)
• private-key-not-wiped-2 (fixed in release 0.64)
• vuln-agent-fwd-overflow (fixed in release 0.68)
• vuln-auth-prompt-spoofing (fixed in release 0.71)
• vuln-bignum-division-by-zero (fixed in release 0.63)
• vuln-indirect-dll-hijack (fixed in release 0.68)
• vuln-indirect-dll-hijack-2 (fixed in release 0.69)
• vuln-indirect-dll-hijack-3 (fixed in release 0.70)
• vuln-modmul (fixed in release 0.63)
• vuln-modpow (fixed in release 0.55)
• vuln-passwd-memdump (fixed in release 0.54)
• vuln-pscp-sink-sscanf (fixed in release 0.67)
• vuln-rng-reuse (fixed in release 0.71)
• vuln-sftp-readdir (fixed in release 0.57)
• vuln-sftp-string (fixed in release 0.57)
• vuln-signature-stringlen (fixed in release 0.63)
• vuln-ssh1-buffer-length-underflow (fixed in release 0.72)
• vuln-ssh1-kex (fixed in release 0.55)
• vuln-ssh1-short-rsa-keys (fixed in release 0.72)
• vuln-sshredder (fixed in release 0.53b)
• vuln-terminal-dos-one-column-cjk (fixed in release 0.71)
• vuln-terrapin (fixed in release 0.80)
• vuln-win-exclusiveaddruse (fixed in release 0.73)
• vuln-win-pageant-client-missing-length-check (fixed in release 0.72)
• vuln-windows-remote-title-dos (fixed in release 0.75)