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Bug#659558: libx11-6: libX11 or libxbc ignores a -display or DISPLAY, when host does not respond

tag 659558 patch upstream confirmed

On Sun, Feb 12, 2012 at 02:09:56 +0100, Kephra Nurmi wrote:

> Package: libx11-6
> Version: 2:1.4.4-4
> Severity: important
> Dear Maintainer,
> an `xterm -display thishostdoesnotexist:0` on wheezy will display on
> localhost:0 without throwing a "Can't open display" error. Same with
> xclock and all other basic X clients.
> See: http://kephra.de/src/xterm-strace.txt
> Search for /193.101.47
> The ECONNREFUSED (Connection refused) is ignored, and instead
> /tmp/.X11-unix/X0 used a few lines later.
> The bug is likely in libX11 or libxbc.
Thanks for the report.  Proposed patches:


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