What is RHSA-2026:22258?

RHSA-2026:22258 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: Assisted Installer RHEL 8 components for Multicluster Engine for Kubernetes 2.8.7

Which CVE IDs does RHSA-2026:22258 cover?

RHSA-2026:22258 covers the following CVE IDs: CVE-2026-32280, CVE-2026-34986. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:22258?

RHSA-2026:22258 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

RHSA-2026:22258HighCVSS 7.5

Red Hat Security Advisory: Assisted Installer RHEL 8 components for Multicluster Engine for Kubernetes 2.8.7

Vendor

Red Hat Product Security

Published

June 1, 2026

Last Modified

June 3, 2026

🔗 CVE IDs covered (2)

CVE-2026-32280 →CVE-2026-34986 →

📋 Description

CVE-2026-32280 — crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building CVE-2026-34986 — github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object

🔗 References (5)

selfhttps://access.redhat.com/errata/RHSA-2026:22258
externalhttps://access.redhat.com/security/cve/CVE-2026-32280
externalhttps://access.redhat.com/security/cve/CVE-2026-34986
externalhttps://access.redhat.com/security/updates/classification/
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_22258.json