Security

FreeBSD Security Advisories

Curated critical and high-severity FreeBSD security advisories and errata notices. Only items that matter for production FreeBSD environments -- not a mirror of freebsd.org.

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Critical and high-severity FreeBSD security advisories and noteworthy BSD security news. We curate only the items that matter for production environments -- not a mirror of freebsd.org/security, but a filtered feed of what you need to act on.

HIGH

FreeBSD Forums Compromised via XenForo XSS Vulnerability

The official FreeBSD forums (forums.freebsd.org) were defaced through a cross-site scripting vulnerability in the XenForo forum software. A reminder that community infrastructure needs timely patching.

April 2026
HIGH

Evaluating OpenBSD Security Measures -- Dr. Brian Robert Callahan

Dr. Brian Robert Callahan evaluates OpenBSD's security model and reflects on changing his relationship with the BSDs. A thoughtful analysis relevant to anyone comparing BSD security postures.

March 2026
Source: FreeBSD.org Security Advisories. This page curates critical and high-severity items only. For the complete list of all advisories, refer to the official FreeBSD security page.

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