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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:

AbbreviationFull WordDescription
RHEARed Hat Enhancement AdvisoryContain enhancement fixes (e.g. new features).
RHBARed Hat Bug AdvisoryContain bug fixes, and can optionally also contain enhancements
RHSARed Hat Security AdvisoryContain security fixes, and can optionally also contain bugs and/or enhancements