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OpenAdvisories
High ELSA-2026-19069 5 CVEs

Important: openssh security update (Oracle Linux 10)

Published Jul 8, 2026 · Updated Jul 8, 2026

Summary

[9.9p1-23.0.1]
- Upstream references found with /usr/bin/ssh [Orabug: 37824421]

[9.9p1-23]
- CVE-2026-35385: Fix privilege escalation via scp legacy protocol
when not in preserving file mode
Resolves: RHEL-164739
- CVE-2026-35388: Add connection multiplexing confirmation for proxy-mode
multiplexing sessions
Resolves: RHEL-166238
- CVE-2026-35387: Fix incomplete application of PubkeyAcceptedAlgorithms
and HostbasedAcceptedAlgorithms with regard to ECDSA keys
Resolves: RHEL-166222
- CVE-2026-35414: Fix mishandling of authorized_keys principals option
Resolves: RHEL-166190
- CVE-2026-35386: Add validation rules to usernames and hostnames
set for ProxyJump/-J on the commandline
Resolves: RHEL-166206

[9.9p1-22]
- Version bump

[9.9p1-21]
- CVE-2026-3497: Fix information disclosure or denial of service due
to uninitialized variables in gssapi-keyex
Resolves: RHEL-155812

[9.9p1-20]
- Provide a way to skip unsupported ML-KEM hybrid algorithms in FIPS mode
Resolves: RHEL-151579

[9.9p1-19]
- Support of hybrid MLKEM key exchange methods in FIPS mode
Resolves: RHEL-125929

[9.9p1-18]
- Adding a mechanism to disable GSSAPIDelegateCredentials in sshd_config
Resolves: RHEL-5281

[9.9p1-17]
- CVE-2025-61984: Reject usernames with control characters
Resolves: RHEL-128399
- CVE-2025-61985: Reject URL-strings with NULL characters
Resolves: RHEL-128388

[9.9p1-16]
- Implement mlkem768nistp256-sha256 and mlkem1024nistp384-sha384 KEX methods
Resolves: RHEL-70824

[9.9p1-15]
- Fix implicit destination path selection when source path ends with '..'
Resolves: RHEL-118406
- Canonicalize username when matching a user
Resolves: RHEL-101440

Fixed packages 6

ReleasePackageFixed in
Oracle Linux · 10 openssh 0:9.9p1-23.0.1.el10_2
Oracle Linux · 10 openssh-askpass 0:9.9p1-23.0.1.el10_2
Oracle Linux · 10 openssh-clients 0:9.9p1-23.0.1.el10_2
Oracle Linux · 10 openssh-keycat 0:9.9p1-23.0.1.el10_2
Oracle Linux · 10 openssh-keysign 0:9.9p1-23.0.1.el10_2
Oracle Linux · 10 openssh-server 0:9.9p1-23.0.1.el10_2

Vulnerabilities 5