billion laughs

English dictionary entry

Meanings

noun
  1. A type of denial-of-service attack which is aimed at parsers of XML documents, based on defining entities that expand to large numbers of copies of other entities.

Word forms

billion laughs

Etymology

In the most frequently cited example of such an attack, the first entity is the string lol (“laugh out loud”).

Related words

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.