[RCU] Do we need to patch old version to fix CVE-2010-0464: Disable DNS prefetching?

[Zhang Huangbin]

Hi, all.

I saw there's a fix in trunk:

- Fix CVE-2010-0464: Disable DNS prefetching (#1486449)
  http://trac.roundcube.net/changeset/3293

Do we need to patch old versions?

Thanks :)

-- 
Best Regards.

Zhang Huangbin

- Open Source Mail Server Solution for Red Hat(R) Enterprise Linux,
  CentOS, Debian, Ubuntu, FreeBSD: http://www.iredmail.org/

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