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SUSE OpenSSH Moderate Info Disclosure DoS Vulnerability 2026-22352-1

suse
Calendar Grey July 1, 2026
Dist Suse Esm H88
SUSE security update for OpenSSH resolves two vulnerabilities enhancing overall security performance. Action recommended.
An update that solves two vulnerabilities and has one fix can now be installed.

Summary

## 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 Enterprise Server 16.0 zypper in -t patch SUSE-SLES-16.0-1057=1

Topics%20covered

Topics Covered

security advisory moderate denial of service SuSE information disclosure openssh

References

* bsc#1259642

* bsc#1261441

* bsc#1264568

Cross-

* 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 ): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

* 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

Severity
moderate
Lowest
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Medium
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Critical

Announcement ID: SUSE-SU-2026:22352-1
Release Date: 2026-06-24T15:22:37Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate denial of service SuSE information disclosure openssh

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