After updating libX11 and libXfont:
x11-libs/libX11-1.0.3 -> [1.1.1-r1]
x11-libs/libXfont-1.2.2 -> [1.2.7-r1]
krdc starts to crash for no obvious reason. It does not generate any errors or
faults, it just disappears with a normal exit.
The update of x11-libs/libX11 from 1.0.3 to 1.1.1-r1 quite probably causes
Since this update on my computer rdesktop segfaults reproducibly. A downgrade
of libX11 back to 1.0.3 solved the problem.
As krdc is some sort of frontend of rdesktop at least for means of connecting
to a Windows Terminal Server probably the segfaulting of rdesktop causes the
crashes of krdc.
See the comment:
libX11 patch for CVE-2007-1667 causes Opera to segfault
This also seems to break rdesktop, see
It looks like some apps don't check the return value from XCreateImage(), and
that the added checks make it return NULL where the apps expected success.
See also http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=418016;msg=24