What is RHSA-2026:29770?

RHSA-2026:29770 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-2026:29770 cover?

RHSA-2026:29770 covers the following CVE IDs: CVE-2026-42154, CVE-2026-42211, CVE-2026-47262. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:29770?

RHSA-2026:29770 has a CVSS v3 base score of 8.1, published by Red Hat Product Security.

RHSA-2026:29770HighCVSS 8.1

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

Vendor

Red Hat Product Security

Published

June 25, 2026

Last Modified

July 20, 2026

🔗 CVE IDs covered (3)

CVE-2026-42154 →CVE-2026-42211 →CVE-2026-47262 →

📋 Description

CVE-2026-42154 — github.com/prometheus/prometheus: Prometheus: Denial of Service via uncontrolled memory allocation in remote read endpoint CVE-2026-42211 — react-router: React Router: Remote Code Execution via prototype pollution in Framework Mode CVE-2026-47262 — github.com/containerd/containerd: containerd: Denial of Service via maliciously crafted image leading to unbounded group parsing

🔗 References (7)

selfhttps://access.redhat.com/errata/RHSA-2026:29770
externalhttps://images.redhat.com/
externalhttps://access.redhat.com/security/cve/CVE-2026-42154
externalhttps://access.redhat.com/security/updates/classification/
externalhttps://access.redhat.com/security/cve/CVE-2026-47262
externalhttps://access.redhat.com/security/cve/CVE-2026-42211
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_29770.json