RHSA-2026:97866: Moderate: openssh security update

Published Nov 10, 2026
·
Updated

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.Security Fix(es): openssh: OpenSSH: SFTP security bypass due to command-line argument parsing flaw (CVE-2026-59997) openssh: OpenSSH: Undocumented GSSAPIStrictAcceptorCheck behavior impacts security in Windows Active Directory (CVE-2026-59998) openssh: OpenSSH: Denial of Service via excessive GSSAPI authentication attempts (CVE-2026-60000) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

48 affected componentsFixes available
redhat/openssh<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-askpass<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-askpass-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-clients<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-clients-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-debugsource<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-keycat<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-keycat-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-server<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-server-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-sk-dummy-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-askpass<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-askpass-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-clients<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-clients-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-debugsource<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-keycat<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-keycat-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-server<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-server-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-sk-dummy-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-askpass<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-askpass-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-clients<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-clients-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-debugsource<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-keycat<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-keycat-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-server<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-server-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh-sk-dummy-debuginfo<9.9p1-16.el9_9
9.9p1-16.el9_9
redhat/openssh<9.9p1-16.el9_9.aa
9.9p1-16.el9_9.aa
redhat/openssh-askpass<9.9p1-16.el9_9.aa
9.9p1-16.el9_9.aa
redhat/openssh-askpass-debuginfo<9.9p1-16.el9_9.aa
9.9p1-16.el9_9.aa
redhat/openssh-clients<9.9p1-16.el9_9.aa
9.9p1-16.el9_9.aa
redhat/openssh-clients-debuginfo<9.9p1-16.el9_9.aa
9.9p1-16.el9_9.aa
redhat/openssh-debuginfo<9.9p1-16.el9_9.aa
9.9p1-16.el9_9.aa
redhat/openssh-debugsource<9.9p1-16.el9_9.aa
9.9p1-16.el9_9.aa
redhat/openssh-keycat<9.9p1-16.el9_9.aa
9.9p1-16.el9_9.aa
redhat/openssh-keycat-debuginfo<9.9p1-16.el9_9.aa
9.9p1-16.el9_9.aa
redhat/openssh-server<9.9p1-16.el9_9.aa
9.9p1-16.el9_9.aa
redhat/openssh-server-debuginfo<9.9p1-16.el9_9.aa
9.9p1-16.el9_9.aa
redhat/openssh-sk-dummy-debuginfo<9.9p1-16.el9_9.aa
9.9p1-16.el9_9.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/openssh to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9
  2. Upgrade

    Upgrade redhat/openssh-askpass to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9
  3. Upgrade

    Upgrade redhat/openssh-askpass-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9
  4. Upgrade

    Upgrade redhat/openssh-clients to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9
  5. Upgrade

    Upgrade redhat/openssh-clients-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9
  6. Upgrade

    Upgrade redhat/openssh-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9
  7. Upgrade

    Upgrade redhat/openssh-debugsource to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9
  8. Upgrade

    Upgrade redhat/openssh-keycat to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9
  9. Upgrade

    Upgrade redhat/openssh-keycat-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9
  10. Upgrade

    Upgrade redhat/openssh-server to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9
  11. Upgrade

    Upgrade redhat/openssh-server-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9
  12. Upgrade

    Upgrade redhat/openssh-sk-dummy-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9
  13. Upgrade

    Upgrade redhat/openssh to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9.aa
  14. Upgrade

    Upgrade redhat/openssh-askpass to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9.aa
  15. Upgrade

    Upgrade redhat/openssh-askpass-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9.aa
  16. Upgrade

    Upgrade redhat/openssh-clients to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9.aa
  17. Upgrade

    Upgrade redhat/openssh-clients-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9.aa
  18. Upgrade

    Upgrade redhat/openssh-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9.aa
  19. Upgrade

    Upgrade redhat/openssh-debugsource to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9.aa
  20. Upgrade

    Upgrade redhat/openssh-keycat to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9.aa
  21. Upgrade

    Upgrade redhat/openssh-keycat-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9.aa
  22. Upgrade

    Upgrade redhat/openssh-server to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9.aa
  23. Upgrade

    Upgrade redhat/openssh-server-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9.aa
  24. Upgrade

    Upgrade redhat/openssh-sk-dummy-debuginfo to a version that resolves this vulnerability.

    Fixed in 9.9p1-16.el9_9.aa

Event History

Nov 10, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Company

Resources

Contact

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