RHSA-2026:3343HighCVSS 7.5

Red Hat Security Advisory: skopeo security update

Published
February 25, 2026
Last Modified
September 4, 2026

🔗 CVE IDs covered (3)

CVE-2025-61726 →CVE-2025-61729 →CVE-2025-68121 →

📋 Description

CVE-2025-61726 — golang: net/url: Memory exhaustion in query parameter parsing in net/url CVE-2025-61729 — crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate CVE-2025-68121 — crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

🎯 Affected products18

  • Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-2:1.20.0-3.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-2:1.20.0-3.el10_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-2:1.20.0-3.el10_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-2:1.20.0-3.el10_1.src as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-2:1.20.0-3.el10_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-debuginfo-2:1.20.0-3.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-debuginfo-2:1.20.0-3.el10_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-debuginfo-2:1.20.0-3.el10_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-debuginfo-2:1.20.0-3.el10_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-debugsource-2:1.20.0-3.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-debugsource-2:1.20.0-3.el10_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-debugsource-2:1.20.0-3.el10_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-debugsource-2:1.20.0-3.el10_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-tests-2:1.20.0-3.el10_1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-tests-2:1.20.0-3.el10_1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-tests-2:1.20.0-3.el10_1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • skopeo-tests-2:1.20.0-3.el10_1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)

✅ 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: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.

🔗 References (6)