Summary
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 client allows attacker to control downloaded file location (CVE-2026-59995)
* openssh: OpenSSH sshd: Security bypass due to incorrect handling of forwarding and tunneling options (CVE-2026-59999)
* openssh: OpenSSH: Tunnel forwarding restriction bypass (CVE-2026-73283)
* openssh: OpenSSH: ssh-agent allows remote execution of local operations (CVE-2026-73281)
* openssh: OpenSSH: Information disclosure and data corruption via use-after-free in ssh client (CVE-2026-73282)
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.
Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 9 | openssh | 9.9p1-11.el9_8.alma.1 |
| AlmaLinux · 9 | openssh-askpass | 9.9p1-11.el9_8.alma.1 |
| AlmaLinux · 9 | openssh-clients | 9.9p1-11.el9_8.alma.1 |
| AlmaLinux · 9 | openssh-keycat | 9.9p1-11.el9_8.alma.1 |
| AlmaLinux · 9 | openssh-server | 9.9p1-11.el9_8.alma.1 |
| AlmaLinux · 9 | pam_ssh_agent_auth | 0.10.4-8.11.el9_8.alma.1 |
Vulnerabilities 5
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Medium 5.9
In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did no…
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Medium 4.8
In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding opera…
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Medium 4.2
sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is …
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Low 3.5
In ssh-agent in OpenSSH before 10.5, some operations can occur remotely but were intended to occur only locally, includ…
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Low 2.5
In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwa…
References
-
report
https://access.redhat.com/security/cve/CVE-2026-59995
-
report
https://access.redhat.com/security/cve/CVE-2026-59999
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report
https://access.redhat.com/security/cve/CVE-2026-73281
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report
https://access.redhat.com/security/cve/CVE-2026-73282
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report
https://access.redhat.com/security/cve/CVE-2026-73283
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report
https://bugzilla.redhat.com/2497927
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report
https://bugzilla.redhat.com/2497942
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report
https://bugzilla.redhat.com/2514321
-
report
https://bugzilla.redhat.com/2514327
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report
https://bugzilla.redhat.com/2514328
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advisory
https://errata.almalinux.org/9/ALSA-2026-69130.html