Red Hat Security Advisory

RHSA-2026:39894

Release of containers for RHOSO 18.0.21

Released 2026-07-15 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat OpenStack Services on OpenShift 18.0 registry.redhat.io/rhoso-operators/ee-openstack-ansible-ee-rhel9, registry.redhat.io/rhoso-operators/prometheus-podman-exporter-rhel9, registry.redhat.io/rhoso-operators/sg-core-rhel9

Fixes 3 records

TI-2026-18923 CVE-2026-23490 · GHSA-63vm-454h-vhhq

pyasn1 has a DoS vulnerability in decoder

HIGH 72

pyasn1 is a generic ASN.1 library for Python.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.0076 Published 2026-01-16 Partial fix · 0.6.2 CWE-770

TI-2026-24809 CVE-2026-32280 · GHSA-m4pr-4j3g-9v7v

Unexpected work during chain building in crypto/x509

MEDIUM 40

During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00626 Published 2026-04-08 Partial fix · 1.25.9, 1.26.2 CWE-770

TI-2025-32917 CVE-2025-52881 · GHSA-cgrx-mc8f-2prm

runc: LSM labels can be bypassed with malicious config using dummy procfs files

LOW 35

runc is a CLI tool for spawning and running containers according to the OCI specification.

CVSS 4.0HIGH 7.3 Local Low privileges User interaction EPSS 0.00801 Published 2025-11-06 Partial fix · 1.2.8, 1.13.0 +2 CWE-363