BUG: READ_STATE_MACHINE:excessive message size during handshake

Dave Baggett dmb at inky.com
Wed Dec 23 02:04:49 UTC 2015


Openssl Version 1.1.0 (master as of 22-DEC-15)
Mac OS X 10.11.2

Connection to my SMTP server, which has a 4096-bit RSA key, fails with:

Traceback (most recent call last):
  File "tls/_openssl.py", line 359, in handshake
error: [Errno 5] 1: TLS handshake with server peer failed: error:14160098:SSL routines:READ_STATE_MACHINE:excessive message size

Note that this is via my own Python C extension. However, this connection succeeds with openssl 1.0.2.

This appears to be a reappearance of this bug:

https://rt.openssl.org/Ticket/Display.html?user=guest&pass=guest&id=319

Dave

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