Summary
[8.7p1-45.0.2]
- Upstream references found with /usr/bin/ssh [Orabug: 37814929]
[8.7p1-45.0.1]
- upstream: fix AuthorizedPrincipalsCommand when AuthorizedKeysCommand [Orabug: 37647064]
- Update upstream references [Orabug: 36564626]
[8.7p1-45]
- Fix missing error codes set and invalid error code checks in OpenSSH. It
prevents memory exhaustion attack and a MITM attack when VerifyHostKeyDNS
is on (CVE-2025-26465).
Resolves: RHEL-78700
[8.7p1-44]
- Add extra help information on ssh early failure
Resolves: RHEL-33809
- Provide details on crypto error instead of 'error in libcrypto'
Resolves: RHEL-52293
- Allow duplicate Subsystem directive
Resolves: RHEL-47112
Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 9 | openssh | 0:8.7p1-45.0.2.el9 |
| Oracle Linux · 9 | openssh-askpass | 0:8.7p1-45.0.2.el9 |
| Oracle Linux · 9 | openssh-clients | 0:8.7p1-45.0.2.el9 |
| Oracle Linux · 9 | openssh-keycat | 0:8.7p1-45.0.2.el9 |
| Oracle Linux · 9 | openssh-server | 0:8.7p1-45.0.2.el9 |
| Oracle Linux · 9 | pam_ssh_agent_auth | 0:0.10.4-5.45.0.2.el9 |
Vulnerabilities 1
-
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…