RHSA-2026:0693MediumCVSS 5.3

Red Hat Security Advisory: openssh security update

Published
January 15, 2026
Last Modified
September 1, 2026

🔗 CVE IDs covered (2)

📋 Description

CVE-2025-61984 — openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61985 — openssh: OpenSSH: Null character in ssh:// URI can lead to code execution via ProxyCommand

🎯 Affected products91

  • Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-0:8.7p1-45.el9_6.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-0:8.7p1-45.el9_6.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-0:8.7p1-45.el9_6.1.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-0:8.7p1-45.el9_6.1.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-0:8.7p1-45.el9_6.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-askpass-0:8.7p1-45.el9_6.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • openssh-askpass-0:8.7p1-45.el9_6.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • openssh-askpass-0:8.7p1-45.el9_6.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • openssh-askpass-0:8.7p1-45.el9_6.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • openssh-askpass-debuginfo-0:8.7p1-45.el9_6.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • openssh-askpass-debuginfo-0:8.7p1-45.el9_6.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-askpass-debuginfo-0:8.7p1-45.el9_6.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • openssh-askpass-debuginfo-0:8.7p1-45.el9_6.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-askpass-debuginfo-0:8.7p1-45.el9_6.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • openssh-askpass-debuginfo-0:8.7p1-45.el9_6.1.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-askpass-debuginfo-0:8.7p1-45.el9_6.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • openssh-askpass-debuginfo-0:8.7p1-45.el9_6.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-clients-0:8.7p1-45.el9_6.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-clients-0:8.7p1-45.el9_6.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-clients-0:8.7p1-45.el9_6.1.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-clients-0:8.7p1-45.el9_6.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-clients-debuginfo-0:8.7p1-45.el9_6.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • openssh-clients-debuginfo-0:8.7p1-45.el9_6.1.aarch64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-clients-debuginfo-0:8.7p1-45.el9_6.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • openssh-clients-debuginfo-0:8.7p1-45.el9_6.1.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-clients-debuginfo-0:8.7p1-45.el9_6.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • openssh-clients-debuginfo-0:8.7p1-45.el9_6.1.s390x as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.6)
  • openssh-clients-debuginfo-0:8.7p1-45.el9_6.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • +61 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

🔗 References (5)