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: Control characters in usernames can lead to code execution via ProxyCommand (CVE-2025-61984)
* openssh: OpenSSH: Null character in ssh:// URI can lead to code execution via ProxyCommand (CVE-2025-61985)
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 | 8.7p1-47.el9_7.alma.1 |
| AlmaLinux · 9 | openssh-askpass | 8.7p1-47.el9_7.alma.1 |
| AlmaLinux · 9 | openssh-clients | 8.7p1-47.el9_7.alma.1 |
| AlmaLinux · 9 | openssh-keycat | 8.7p1-47.el9_7.alma.1 |
| AlmaLinux · 9 | openssh-server | 8.7p1-47.el9_7.alma.1 |
| AlmaLinux · 9 | pam_ssh_agent_auth | 0.10.4-5.47.el9_7.alma.1 |
Vulnerabilities 2
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Low 3.6CVE-2025-61984 Public exploit
ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted source…
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Low 3.6
ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a Pro…