Netscape complained of an invalid mac, not data being sent on a shutdown SSLv3 connection. Netscape SSLv3 export ciphers public keys not restricted Netscape, when using export ciphers, will accept a 1024 bit temporary RSA key. It is supposed to only accept 512. While this is not strictly a bug, it is interesting. This is expressly prohibited by the SSLv3 spec.
Navigator rejects the large packets.
I'm sure I've left some out. If people have specific application versions that are affected by these bugs, or what software releases fix them, please let me know.