Iceweasel/Firefox segmentation fault

[Daniel Wayne Armstrong]

Hello ... My father has a laptop running Debian Squeeze with all
updates installed and he says that Iceweasel/Firefox 23.0 crashes on
him daily. I managed to get the browser to consistently crash on the
vanityfair.com website with this error:

ATTENTION: default value of option force_s3tc_enable overridden by environment.
###!!! ABORT: X_GLXDestroyPixmap: GLXBadPixmap; 3 requests ago: file
/tmp/buildd/iceweasel-23.0/toolkit/xre/nsX11ErrorHandler.cpp, line 157
###!!! ABORT: X_GLXDestroyPixmap: GLXBadPixmap; 3 requests ago: file
/tmp/buildd/iceweasel-23.0/toolkit/xre/nsX11ErrorHandler.cpp, line 157
Segmentation fault

After searching there is not much to be found relevant to this issue
... the closest thing I found was this:

https://bugzilla.mozilla.org/show_bug.cgi?id=896287

... but this laptop has Intel video (not nvidia) and the proposed fix
- set "layers.acceleration.force-enabled=false" - already had the
correct setting.

He doesn't have any mozilla add-ons installed and running in safe-mode
continues to result in crashing with above error message.

Any help getting this fixed would be appreciated. Thanks!

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