RHSA-2026:25911: Moderate: libssh security update
libssh is a library which implements the SSH protocol. It can be used to implement client and server applications.Security Fix(es): libssh: Incorrect Return Code Handling in sshkdf() in libssh (CVE-2025-5372) 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/libsshto a version that resolves this vulnerability.Fixed in 0.9.6-4.el8_6.2 - Upgrade
Upgrade
redhat/libssh-configto a version that resolves this vulnerability.Fixed in 0.9.6-4.el8_6.2 - Upgrade
Upgrade
redhat/libssh-debuginfoto a version that resolves this vulnerability.Fixed in 0.9.6-4.el8_6.2 - Upgrade
Upgrade
redhat/libssh-debugsourceto a version that resolves this vulnerability.Fixed in 0.9.6-4.el8_6.2 - Upgrade
Upgrade
redhat/libssh-develto a version that resolves this vulnerability.Fixed in 0.9.6-4.el8_6.2
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:25911?
The severity of RHSA-2026:25911 is medium with a CVSS score of 4.
What security issue is addressed in RHSA-2026:25911?
RHSA-2026:25911 addresses an incorrect return code handling in the ssh_kdf() function in libssh, identified as CVE-2025-5372.
How do I fix RHSA-2026:25911?
To fix RHSA-2026:25911, update the libssh package to the latest version provided by Red Hat.
Which software is impacted by RHSA-2026:25911?
The impacted software includes redhat/libssh, redhat/libssh-debuginfo, redhat/libssh-debugsource, and redhat/libssh-devel.
When was RHSA-2026:25911 published?
RHSA-2026:25911 was published on June 15, 2026.