RHSA-2026:9098HighCVSS 7.5

Red Hat Security Advisory: skopeo security update

Published
April 20, 2026
Last Modified
August 15, 2026

🔗 CVE IDs covered (4)

CVE-2025-61726 →CVE-2025-61729 →CVE-2025-68121 →CVE-2026-25679 →

📋 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 CVE-2026-25679 — net/url: Incorrect parsing of IPv6 host literals in net/url

🎯 Affected products18

  • Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-2:1.18.1-5.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-2:1.18.1-5.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-2:1.18.1-5.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-2:1.18.1-5.el9_6.src as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-2:1.18.1-5.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-debuginfo-2:1.18.1-5.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-debuginfo-2:1.18.1-5.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-debuginfo-2:1.18.1-5.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-debuginfo-2:1.18.1-5.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-debugsource-2:1.18.1-5.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-debugsource-2:1.18.1-5.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-debugsource-2:1.18.1-5.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-debugsource-2:1.18.1-5.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-tests-2:1.18.1-5.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-tests-2:1.18.1-5.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-tests-2:1.18.1-5.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • skopeo-tests-2:1.18.1-5.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)

✅ 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. 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 (7)