An update that fixes 5 vulnerabilities is now available.
This update for putty fixes the following issues:
Update to new upstream release 0.71 [boo#1129633]
* CVE-2019-9894: Fixed a remotely triggerable memory overwrite in RSA key exchange, which can occur before host key verification potential recycling of random numbers used in cryptography. * CVE-2019-9895: Fixed a remotely triggerable buffer overflow in any kind of server-to-client forwarding. * CVE-2019-9897: Fixed multiple denial-of-service attacks that can be triggered by writing to the terminal. * CVE-2019-9898: Fixed potential recycling of random numbers used in cryptography * CVE-2019-9896 (Windows only): Fixed hijacking by a malicious help file in the same directory as the executable * Major rewrite of the crypto code to remove cache and timing side channels.
To install this openSUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product: