Red Hat Security Advisory

RHSA-2026:57541

osbuild-composer security update

Released 2026-08-20 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream EUS (v.9.6) osbuild-composer-132.2-10.el9_6, osbuild-composer-core-132.2-10.el9_6, osbuild-composer-worker-132.2-10.el9_6

TI-2026-40198 CVE-2026-55677 · GHSA-vfp3-v2gw-7wfq

HIGH 72

Echo is a Go web framework.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00519 Published 2026-06-26 Partial fix · 4.15.3, 5.2.0 CWE-22

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