What does RHSA, RHEA and RHBA stand for in the Red Hat Erratas?

On the Red Hat Errata site, you’ll find references to RHSA, RHEA and RHBA. Here’s what they stand for:

Abbreviation Full Word Description
RHEA Red Hat Enhancement Advisory Contain enhancement fixes (e.g. new features).
RHBA Red Hat Bug Advisory Contain bug fixes, and can optionally also contain enhancements
RHSA Red Hat Security Advisory Contain security fixes, and can optionally also contain bugs and/or enhancements