Remote Memory Overwrite in PuTTY Client's RSA Key Exchange

CVE-2019-9894

What is CVE-2019-9894?

A vulnerability exists in the PuTTY SSH client that allows a remote attacker to trigger a memory overwrite during the RSA key exchange process. This issue can occur prior to the verification of host keys, potentially leading to serious security implications. The flaw affects all versions of PuTTY before 0.71, emphasizing the importance of users updating to the latest version to mitigate risks. For those concerned about security, it is crucial to remain vigilant against potential exploitation of this vulnerability.

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