RHSA-2026:95576: Release of containers for RHOSO 18.0.22

Published Nov 5, 2026
·
Updated

Red Hat OpenStack Services on OpenShift is a hybrid cloud solution for deploying and managing virtualized and containerized applications in a scalable infrastructure with a Red Hat OpenShift Container Platform (RHOCP) control plane.Security Fixes: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates (CVE-2026-111943) golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145) golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283) golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818) golang: Golang MIME: Denial of Service via maliciously-crafted MIME header (CVE-2026-42504) golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853) golang: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858) golang: Go: Denial of Service via XML decoding recursion depth issue (CVE-2026-56859) golang: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860) golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)

Affected Software

1 affected component
Red Hat Red Hat OpenStack Services on OpenShift

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Red Hat OpenStack Services on OpenShift (RHOSO) to a version that resolves this vulnerability.

    Fixed in 18.0.22

Event History

Nov 5, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·02:40 PM
Data Sourced
via Red Hat·02:40 PM
Severity

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