What is RHSA-2026:39894?

RHSA-2026:39894 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: Release of containers for RHOSO 18.0.21

Which CVE IDs does RHSA-2026:39894 cover?

RHSA-2026:39894 covers the following CVE IDs: CVE-2025-52881, CVE-2026-23490, 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-2026:39894?

RHSA-2026:39894 has a CVSS v3 base score of 8.2, published by Red Hat Product Security.

RHSA-2026:39894HighCVSS 8.2

Red Hat Security Advisory: Release of containers for RHOSO 18.0.21

Vendor

Red Hat Product Security

Published

July 15, 2026

Last Modified

July 15, 2026

🔗 CVE IDs covered (3)

CVE-2025-52881 →CVE-2026-23490 →CVE-2026-32280 →

📋 Description

CVE-2025-52881 — runc: opencontainers/selinux: container escape and denial of service due to arbitrary write gadgets and procfs write redirects CVE-2026-23490 — pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID CVE-2026-32280 — crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building

🔗 References (7)

selfhttps://access.redhat.com/errata/RHSA-2026:39894
externalhttps://access.redhat.com/security/cve/CVE-2025-52881
externalhttps://access.redhat.com/security/cve/CVE-2026-23490
externalhttps://access.redhat.com/security/cve/CVE-2026-32280
externalhttps://access.redhat.com/security/updates/classification/
externalhttps://catalog.redhat.com/software/containers/search
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_39894.json