XML "logic bombs" happens when the parser expand entities eagerly. If a parser does that one can easily assemble an enormous entity that will eat up all the memory. But a more sophisticated parser won't expand entities right away and thus can merely reject oversized ones. It is really a minor issue.

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johncolanduoni 18 hours ago | parent [-]

There were other esoteric XML logic bomb inducing features is my recollection from all the stuff you used to have to change on the default XML Java parsers, but this was like 20 years ago so I may be misremembering.

	▲	Mikhail_Edoshin 8 hours ago \| parent [-]
		I myself only remember the possible misuse of disk/URL reading features. These were indeed features and were added by design, but, of course, enabling them in non-trusted input could lead to all sorts of disasters.