What is RHSA-2026:70031?

RHSA-2026:70031 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Which CVE IDs does RHSA-2026:70031 cover?

RHSA-2026:70031 covers the following CVE IDs: CVE-2026-63209. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:70031?

RHSA-2026:70031 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

Which products are affected by RHSA-2026:70031?

RHSA-2026:70031 affects 4 products, including: Red Hat Hardened Images; k6v2-0:2.3.0-0.1.hum1@aarch64 as a component of Red Hat Hardened Images; k6v2-0:2.3.0-0.1.hum1@src as a component of Red Hat Hardened Images; k6v2-0:2.3.0-0.1.hum1@x86_64 as a component of Red Hat Hardened Images.

RHSA-2026:70031HighCVSS 7.5

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Vendor

Red Hat Product Security

Published

September 22, 2026

Last Modified

October 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-63209 →

📋 Description

CVE-2026-63209 — github.com/klauspost/compress: klauspost/compress: Denial of Service via integer overflow in dictionary processing

🎯 Affected products4

Red Hat Hardened Images
k6v2-0:2.3.0-0.1.hum1@aarch64 as a component of Red Hat Hardened Images
k6v2-0:2.3.0-0.1.hum1@src as a component of Red Hat Hardened Images
k6v2-0:2.3.0-0.1.hum1@x86_64 as a component of Red Hat Hardened Images

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/

🔗 References (5)

selfhttps://access.redhat.com/errata/RHSA-2026:70031
externalhttps://images.redhat.com/
externalhttps://access.redhat.com/security/cve/CVE-2026-63209
externalhttps://access.redhat.com/security/updates/classification/
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_70031.json