RHSA-2021:3146MediumCVSS 7.5

Red Hat Security Advisory: ACS 3.64 security and enhancement update

Published
August 12, 2021
Last Modified
August 4, 2026

🔗 CVE IDs covered (4)

CVE-2021-33197 →CVE-2021-33198 →CVE-2021-34558 →CVE-2021-33195 →

📋 Description

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 CVE-2021-34558 — golang: crypto/tls: certificate of wrong type is causing TLS client to panic

🎯 Affected products3

  • RHACS 3.64 for RHEL 8
  • advanced-cluster-security/rhacs-operator-bundle@sha256:7e7d2ee7951813e40decefd68e2a0a4dbcc32f81158de073340a2540f3e96441_amd64 as a component of RHACS 3.64 for RHEL 8
  • advanced-cluster-security/rhacs-rhel8-operator@sha256:edf1d4fec9c3b6651a2ba44741323a6abf5f5d891db27eba396c206a6bdbc31d_amd64 as a component of RHACS 3.64 for RHEL 8

✅ Remediation

To take advantage of these new features and changes, please upgrade Red Hat Advanced Cluster Security for Kubernetes to version 3.64 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (8)