What is RHSA-2026:21655?

RHSA-2026:21655 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: OpenShift Container Platform 4.18.43 packages and security update

Which CVE IDs does RHSA-2026:21655 cover?

RHSA-2026:21655 covers the following CVE IDs: CVE-2026-25679, CVE-2026-32280. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:21655?

RHSA-2026:21655 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

RHSA-2026:21655HighCVSS 7.5

Red Hat Security Advisory: OpenShift Container Platform 4.18.43 packages and security update

Vendor

Red Hat Product Security

Published

June 3, 2026

Last Modified

July 16, 2026

🔗 CVE IDs covered (2)

CVE-2026-25679 →CVE-2026-32280 →

📋 Description

CVE-2026-25679 — net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-32280 — crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building

🔗 References (5)

selfhttps://access.redhat.com/errata/RHSA-2026:21655
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2445356
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2456339
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_21655.json