[CentOS] Yum segmentation fault updating from 5.6 to 5.7

Brian Miller wrote:
> Sorry if this has been suggested already - have you tried running with
> all plugins disabled?
>
> 'yum --noplugins check-update'

This wasn't suggested yet, but I did try it at some point. I've just 
tried again and the result is the same:

[root at picard ~]# yum clean all
Loaded plugins: downloadonly, fastestmirror, priorities
Cleaning up Everything
[root at picard ~]# yum --noplugins check-update
base                                 | 1.1 kB     00:00
base/primary                         | 961 kB     00:00
Segmentation fault