At first I was using +antialias (which bizarrely disables antialias), but it doesn't work without either.
[james@localhost Configurator]$ convert +antialias template_1.svg imagethumbs/template_1.png
Segmentation fault
[james@localhost Configurator]$ convert template_1.svg template_1.png
Segmentation fault
Starting program: /usr/bin/convert template_1.svg template_1.png
[Thread debugging using libthread_db enabled]
[New Thread -1215875392 (LWP 8562)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1215875392 (LWP 8562)]
0xb75e0d2a in ?? ()