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: Machine-in-the-middle attack if VerifyHostKeyDNS is enabled (CVE-2025-26465)
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 8
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | openssh | 8.0p1-26.el8_10 |
| AlmaLinux · 8 | openssh-askpass | 8.0p1-26.el8_10 |
| AlmaLinux · 8 | openssh-cavs | 8.0p1-26.el8_10 |
| AlmaLinux · 8 | openssh-clients | 8.0p1-26.el8_10 |
| AlmaLinux · 8 | openssh-keycat | 8.0p1-26.el8_10 |
| AlmaLinux · 8 | openssh-ldap | 8.0p1-26.el8_10 |
| AlmaLinux · 8 | openssh-server | 8.0p1-26.el8_10 |
| AlmaLinux · 8 | pam_ssh_agent_auth | 0.10.3-7.26.el8_10 |
Vulnerabilities 1
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Medium 6.8CVE-2025-26465 Public exploit
Openssh: machine-in-the-middle attack if verifyhostkeydns is enabled
A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific cond…