RHSA-2026:5544HighCVSS 7.5

Red Hat Security Advisory: osbuild-composer security update

Published
March 24, 2026
Last Modified
August 31, 2026

🔗 CVE IDs covered (2)

CVE-2025-61726 →CVE-2025-61729 →

📋 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

🎯 Affected products34

  • Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-0:132.2-5.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-0:132.2-5.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-0:132.2-5.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-0:132.2-5.el9_6.src as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-0:132.2-5.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-core-0:132.2-5.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-core-0:132.2-5.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-core-0:132.2-5.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-core-0:132.2-5.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-core-debuginfo-0:132.2-5.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-core-debuginfo-0:132.2-5.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-core-debuginfo-0:132.2-5.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-core-debuginfo-0:132.2-5.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-debuginfo-0:132.2-5.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-debuginfo-0:132.2-5.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-debuginfo-0:132.2-5.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-debuginfo-0:132.2-5.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-debugsource-0:132.2-5.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-debugsource-0:132.2-5.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-debugsource-0:132.2-5.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-debugsource-0:132.2-5.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-tests-debuginfo-0:132.2-5.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-tests-debuginfo-0:132.2-5.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-tests-debuginfo-0:132.2-5.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-tests-debuginfo-0:132.2-5.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-worker-0:132.2-5.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-worker-0:132.2-5.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-worker-0:132.2-5.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • osbuild-composer-worker-0:132.2-5.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • +4 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: 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 (5)