SUSE alert openSUSE-SU-2026:21044-1 (openssh)

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null@suse.de
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security-announce@lists.opensuse.org
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openSUSE-SU-2026:21044-1: moderate: Security update for openssh
Date:
             
 
Tue, 30 Jun 2026 09:48:04 +0200
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<20260630074804.9D264FF75@maintenance.suse.de>
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Article
openSUSE security update: security update for openssh
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:21044-1
Rating: moderate
References:

  * bsc#1259642
  * bsc#1261441
  * bsc#1264568



Cross-References:

  * CVE-2026-3497
  * CVE-2026-35388



CVSS scores:

  * CVE-2026-3497 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
  * CVE-2026-3497 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-35388 ( SUSE ): 2.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
  * CVE-2026-35388 ( SUSE ): 2.1 CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves 2 vulnerabilities and has 3 bug fixes can now be installed.

Description:

This update for openssh fixes the following issues

Security fixes:

- CVE-2026-3497: information disclosure or denial of service due to uninitialized variables
(bsc#1259642).
- CVE-2026-35388: omitted connection multiplexing confirmation for proxy-mode multiplexing sessions
(bsc#1261441).
- openssh potential security issue when validating mac or ciphers (bsc#1264568).

Other fixes:

- Improve %prep LDAP regex to preserve subdirectories (e.g., openbsd-compat/) and handle optional
[ab]/ prefixes.


Patch instructions:

   To install this openSUSE security update use the suse recommended installation methods
   like YaST online_update or "zypper patch".
   Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-1057=1

Package List:

- openSUSE Leap 16.0:

  openssh-10.0p2-160000.6.1
  openssh-askpass-gnome-10.0p2-160000.6.1
  openssh-cavs-10.0p2-160000.6.1
  openssh-clients-10.0p2-160000.6.1
  openssh-common-10.0p2-160000.6.1
  openssh-helpers-10.0p2-160000.6.1
  openssh-server-10.0p2-160000.6.1
  openssh-server-config-rootlogin-10.0p2-160000.6.1

References:

  * https://www.suse.com/security/cve/CVE-2026-3497.html
  * https://www.suse.com/security/cve/CVE-2026-35388.html