There is a patch for OpenSSH attached to that bug; it's also fixed in
recent versions of portable OpenSSH (from around 3.8).
+\S{faq-connaborted} Do you want to hear about \q{Software caused
+connection abort}?
+
+In the documentation for PuTTY 0.53 and 0.53b, we mentioned that we'd
+like to hear about any occurrences of this error. Since the release
+of PuTTY 0.54, however, we've been convinced that this error doesn't
+indicate that PuTTY's doing anything wrong, and we don't need to hear
+about further occurrences. See \k{errors-connaborted} for our current
+documentation of this error.
+
\H{faq-secure} Security questions
\S{faq-publicpc}{Question} Is it safe for me to download PuTTY and