AlmaLinux alert ALSA-2026:18160 (libssh)

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[Announce]  [Security Advisory] ALSA-2026:18160: libssh security update (Moderate)
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Tue, 26 May 2026 19:46:47 +0000
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<0100019e65d34ce1-05c311f4-ea49-4762-a9f3-30cba388f635-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 10
Type: Security
Severity: Moderate
Release date: 2026-05-26

Summary:

libssh is a library which implements the SSH protocol. It can be used to implement client and
server applications.  

Security Fix(es):  

  * libssh: Buffer underflow in ssh_get_hexa() on invalid input (CVE-2026-0966)
  * libssh: Improper sanitation of paths received from SCP servers (CVE-2026-0964)
  * libssh: libssh: Denial of Service via improper configuration file handling (CVE-2026-0965)
  * libssh: libssh: Denial of Service via inefficient regular expression processing
(CVE-2026-0967)
  * libssh: libssh: Denial of Service due to malformed SFTP message (CVE-2026-0968)


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.  

Additional Changes:  

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from
the References section.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/10/ALSA-2026-18160.html

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AlmaLinux Team
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