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openSUSE OpenSSH Moderate Information Disclosure DoS Fix 2026-21044-1

opensuse
Calendar Grey June 30, 2026
Dist Opensuse Esm H88
Update for openSUSE fixes moderate severity issues with openssh, resolving information disclosure and denial of service risks.
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

Topics%20covered

Topics Covered

security advisory moderate denial of service information disclosure openssh OpenSUSE

Patch

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

* bsc#1259642

* bsc#1261441

* bsc#1264568

References:

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

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

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:21044-1
Rating: moderate
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory moderate denial of service information disclosure openssh OpenSUSE

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