Red Hat Security Advisory

RHSA-2026:46395

go-fdo-server security update

Released 2026-07-27 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream (v. 10) go-fdo-server-1.0.1-2.el10_2.3, go-fdo-server-manufacturer-1.0.1-2.el10_2.3, go-fdo-server-owner-1.0.1-2.el10_2.3 +1

TI-2026-28703 CVE-2026-39821 · GHSA-w2q5-6q6x-x959

MEDIUM 47

The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label.

CVSS 3.1CRITICAL 9.6 Network Low privileges No interaction EPSS 0.01834 Published 2026-05-22 Partial fix · 1.25.13, 1.26.6 +2 CWE-1289

TI-2026-21595 CVE-2026-27145 · GHSA-4279-q6mj-392r

LOW 30

(*x509.Certificate).VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name (SAN) entries.

CVSS 3.1MEDIUM 6.5 Network No auth No interaction EPSS 0.00591 Published 2026-06-02 Partial fix · 1.25.11, 1.26.4