RHSA-2026:28042HighCVSS 7.5

Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 (python-pyasn1) security update

Published
June 22, 2026
Last Modified
August 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-23490 →

📋 Description

CVE-2026-23490 — pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID

🎯 Affected products4

  • Red Hat OpenStack Platform 17.1
  • python-pyasn1-0:0.4.6-5.el8ost.src as a component of Red Hat OpenStack Platform 17.1
  • python3-pyasn1-0:0.4.6-5.el8ost.noarch as a component of Red Hat OpenStack Platform 17.1
  • python3-pyasn1-modules-0:0.4.6-5.el8ost.noarch as a component of Red Hat OpenStack Platform 17.1

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 References (4)