RHSA-2021:3487MediumCVSS 7.5

Red Hat Security Advisory: Red Hat OpenStack Platform 16.2 (etcd) security update

Published
September 15, 2021
Last Modified
August 4, 2026

🔗 CVE IDs covered (4)

CVE-2021-33197 →CVE-2021-33198 →CVE-2021-31525 →CVE-2021-33195 →

📋 Description

CVE-2021-31525 — golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header CVE-2021-33195 — golang: net: lookup functions may return invalid host names CVE-2021-33197 — golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty CVE-2021-33198 — golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents

🎯 Affected products8

  • Red Hat OpenStack Platform 16.2
  • etcd-0:3.3.23-3.1.el8ost.1.ppc64le as a component of Red Hat OpenStack Platform 16.2
  • etcd-0:3.3.23-3.1.el8ost.1.src as a component of Red Hat OpenStack Platform 16.2
  • etcd-0:3.3.23-3.1.el8ost.1.x86_64 as a component of Red Hat OpenStack Platform 16.2
  • etcd-debuginfo-0:3.3.23-3.1.el8ost.1.ppc64le as a component of Red Hat OpenStack Platform 16.2
  • etcd-debuginfo-0:3.3.23-3.1.el8ost.1.x86_64 as a component of Red Hat OpenStack Platform 16.2
  • etcd-debugsource-0:3.3.23-3.1.el8ost.1.ppc64le as a component of Red Hat OpenStack Platform 16.2
  • etcd-debugsource-0:3.3.23-3.1.el8ost.1.x86_64 as a component of Red Hat OpenStack Platform 16.2

✅ 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 (7)