RHSA-2026:98447HighCVSS 8.1

Red Hat Security Advisory: podman security update

Published
November 11, 2026
Last Modified
November 14, 2026

🔗 CVE IDs covered (6)

CVE-2026-33818 →CVE-2026-42499 →CVE-2026-56858 →CVE-2026-56859 →CVE-2026-56860 →CVE-2026-56862 →

📋 Description

CVE-2026-33818 — encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal CVE-2026-42499 — net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-56858 — html/template: golang: Go html/template: Cross-Site Scripting via pathological input CVE-2026-56859 — encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue CVE-2026-56860 — net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution CVE-2026-56862 — crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

🎯 Affected products60

  • Red Hat Enterprise Linux AppStream (v. 9)
  • Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-6:5.8.5-3.el9_9.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-6:5.8.5-3.el9_9.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-6:5.8.5-3.el9_9.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-6:5.8.5-3.el9_9.src as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-6:5.8.5-3.el9_9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-debuginfo-6:5.8.5-3.el9_9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-debuginfo-6:5.8.5-3.el9_9.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-debuginfo-6:5.8.5-3.el9_9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-debuginfo-6:5.8.5-3.el9_9.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-debuginfo-6:5.8.5-3.el9_9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-debuginfo-6:5.8.5-3.el9_9.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-debuginfo-6:5.8.5-3.el9_9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-debuginfo-6:5.8.5-3.el9_9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-debugsource-6:5.8.5-3.el9_9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-debugsource-6:5.8.5-3.el9_9.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-debugsource-6:5.8.5-3.el9_9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-debugsource-6:5.8.5-3.el9_9.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-debugsource-6:5.8.5-3.el9_9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-debugsource-6:5.8.5-3.el9_9.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-debugsource-6:5.8.5-3.el9_9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-debugsource-6:5.8.5-3.el9_9.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • podman-docker-6:5.8.5-3.el9_9.noarch as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-plugins-6:5.8.5-3.el9_9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-plugins-6:5.8.5-3.el9_9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-plugins-6:5.8.5-3.el9_9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-plugins-6:5.8.5-3.el9_9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-plugins-debuginfo-6:5.8.5-3.el9_9.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
  • podman-plugins-debuginfo-6:5.8.5-3.el9_9.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 9)
  • +30 more not shown

✅ 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 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 (9)