SUSE-SU-2026:22268-1: moderate: Security update for openssh

[SLE-UPDATES]

# Security update for openssh

Announcement ID: SUSE-SU-2026:22268-1  
Release Date: 2026-06-24T15:23:44Z  
Rating: moderate  
References:

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

  
Cross-References:

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

  
CVSS scores:

  * 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-2026-3497 ( 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 ( NVD ):  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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-3497 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * 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
  * 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 ( NVD ):  2.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
  * CVE-2026-35388 ( NVD ):  2.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

  
Affected Products:

  * SUSE Linux Micro 6.2

  
  
An update that solves two vulnerabilities and has one fix 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 SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Micro 6.2  
    zypper in -t patch SUSE-SL-Micro-6.2-1057=1

## Package List:

  * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
    * openssh-common-10.0p2-160000.6.1
    * openssh-clients-10.0p2-160000.6.1
    * openssh-10.0p2-160000.6.1
    * openssh-server-config-rootlogin-10.0p2-160000.6.1
    * openssh-common-debuginfo-10.0p2-160000.6.1
    * openssh-server-10.0p2-160000.6.1
    * openssh-debugsource-10.0p2-160000.6.1
    * openssh-clients-debuginfo-10.0p2-160000.6.1
    * openssh-debuginfo-10.0p2-160000.6.1
    * openssh-server-debuginfo-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
  * https://bugzilla.suse.com/show_bug.cgi?id=1259642
  * https://bugzilla.suse.com/show_bug.cgi?id=1261441
  * https://bugzilla.suse.com/show_bug.cgi?id=1264568

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