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High ELSA-2026-47756 5 CVEs

Important: openssh security update (Oracle Linux 9)

Published Aug 6, 2026 · Updated Aug 6, 2026

Summary

[9.9p1-9.0.1]
- Replace unsupported ML-KEM hybrid algorithm skip logic with v9.9p1-23.el10_2 ML-KEM/NIST backport [Orabug: 39423076]
- Upstream references found with /usr/bin/ssh [Orabug: 37814929]

[9.9p1-9]
- CVE-2026-59996: Fix remote glob result of '..' causing files to be placed
in unintended parent directories when scp performs remote-to-remote copy
via the local host
Resolves: RHEL-193178
- CVE-2026-60002: Fix use-after-free in cached hostkey during key re-exchange
Resolves: RHEL-193024

[9.9p1-8]
- CVE-2026-55653: Fix double free in openssh DH-GEX client path during
FIPS known-group validation that leads to client-side denial of service
Resolves: RHEL-186439
- CVE-2026-55654: Fix heap out-of-bounds read during GSSAPI indicator
cleanup due to missing NULL terminator
Resolves: RHEL-185836
- CVE-2026-55655: Fix MITM of X11 forwarding via abstract UNIX socket
pre-binding
Resolves: RHEL-185854

Fixed packages 6

ReleasePackageFixed in
Oracle Linux · 9 openssh 0:9.9p1-9.0.1.el9_8
Oracle Linux · 9 openssh-askpass 0:9.9p1-9.0.1.el9_8
Oracle Linux · 9 openssh-clients 0:9.9p1-9.0.1.el9_8
Oracle Linux · 9 openssh-keycat 0:9.9p1-9.0.1.el9_8
Oracle Linux · 9 openssh-server 0:9.9p1-9.0.1.el9_8
Oracle Linux · 9 pam_ssh_agent_auth 0:0.10.4-7.9.0.1.el9_8

Vulnerabilities 5