I think that the first email about this was received from Timothy D. Morgan on 1/15/16. You should be able to get confirmation of this from Christian Heimes. I think that was a dark year for the PSRT.

On Tue, Jun 20, 2017 at 3:35 PM, Victor Stinner <victor.stinner@gmail.com> wrote:
Hi,

Re: "[Python-Dev] Python FTP Injections Allow for Firewall Bypass
(oss-security advisory)"

2017-02-24 5:36 GMT+01:00 Steven D'Aprano <steve@pearwood.info>:
> I am not qualified to judge the merits of this, but it does seem
> worrying that (alledgedly) the Python security team hasn't responded for
> over 12 months.
>
> Is anyone able to comment?

I don't have the archives of the PSRT mailing list and I'm not sure
that I was subscribed when "the" email was sent. Does someone have the
date of this email? It's to complete the new entry in my doc:
http://python-security.readthedocs.io/vuln/urllib_ftp_protocol_stream_injection.html#urllib-ftp-protocol-stream-injection

I don't want to blame anyone, I just want to collect data to help us
to enhance our process to handle security vulnerabilities.

FYI I tried to take care of a few security vulnerabilities recently,
and as expected, each issue is more tricky than expected :-)

While fixing http://bugs.python.org/issue30500 I noticed that urllib
accepts newline characters in URLs. I don't know if it's deliberate or
not... So I created a new issue http://bugs.python.org/issue30713

I updated expat from 2.1.1 to 2.2.0, but now the compilation fails in
2.7 on Windows with Visual Studio 2008. And just when I was done,
expat 2.2.1 was released. I have to do the same job again :-)

Victor
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