RHSA-2026:20570HighCVSS 7.5

Red Hat Security Advisory: podman security update

Published
May 26, 2026
Last Modified
July 30, 2026

🔗 CVE IDs covered (3)

CVE-2026-32283 →CVE-2026-32280 →CVE-2026-32281 →

📋 Description

CVE-2026-32280 — crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building CVE-2026-32281 — crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation CVE-2026-32283 — crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

🎯 Affected products48

  • Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
  • podman-6:5.4.0-15.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-6:5.4.0-15.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-6:5.4.0-15.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-6:5.4.0-15.el10_0.2.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-6:5.4.0-15.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-debuginfo-6:5.4.0-15.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-debuginfo-6:5.4.0-15.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
  • podman-debuginfo-6:5.4.0-15.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-debuginfo-6:5.4.0-15.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
  • podman-debuginfo-6:5.4.0-15.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-debuginfo-6:5.4.0-15.el10_0.2.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
  • podman-debuginfo-6:5.4.0-15.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-debuginfo-6:5.4.0-15.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
  • podman-debugsource-6:5.4.0-15.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-debugsource-6:5.4.0-15.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
  • podman-debugsource-6:5.4.0-15.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-debugsource-6:5.4.0-15.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
  • podman-debugsource-6:5.4.0-15.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-debugsource-6:5.4.0-15.el10_0.2.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
  • podman-debugsource-6:5.4.0-15.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-debugsource-6:5.4.0-15.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
  • podman-docker-6:5.4.0-15.el10_0.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-remote-6:5.4.0-15.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-remote-6:5.4.0-15.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-remote-6:5.4.0-15.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-remote-6:5.4.0-15.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-remote-debuginfo-6:5.4.0-15.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • podman-remote-debuginfo-6:5.4.0-15.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
  • +18 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 (6)