What is RHSA-2026:12071?

RHSA-2026:12071 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: OpenShift Container Platform 4.18.39 bug fix and security update

Which CVE IDs does RHSA-2026:12071 cover?

RHSA-2026:12071 covers the following CVE IDs: CVE-2026-3497, CVE-2026-4424, CVE-2026-5121. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:12071?

RHSA-2026:12071 has a CVSS v3 base score of 8.2, published by Red Hat Product Security.

RHSA-2026:12071HighCVSS 8.2

Red Hat Security Advisory: OpenShift Container Platform 4.18.39 bug fix and security update

Vendor

Red Hat Product Security

Published

May 11, 2026

Last Modified

June 5, 2026

🔗 CVE IDs covered (3)

CVE-2026-3497 →CVE-2026-4424 →CVE-2026-5121 →

📋 Description

CVE-2026-3497 — openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables CVE-2026-4424 — libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing CVE-2026-5121 — libarchive: libarchive: Arbitrary code execution via integer overflow in ISO9660 image processing

🔗 References (6)

selfhttps://access.redhat.com/errata/RHSA-2026:12071
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2447085
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2449006
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2452945
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_12071.json