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openSUSE 15.6: 2025:0585-1 moderate: openssh DoS MitM attack

opensuse
Calendar Grey February 18, 2025
Dist Opensuse Esm H88
Important security patch for openSSH addresses dual vulnerabilities affecting openSUSE and SUSE Linux systems. Update immediately!
An update that solves two vulnerabilities can now be installed.

Description

This update for openssh fixes the following issues:

* CVE-2025-26465: Fixed MitM attack against OpenSSH's VerifyHostKeyDNS-enabled

client (bsc#1237040).

* CVE-2025-26466: Fixed DoS attack against OpenSSH's client and server

(bsc#1237041).

Topics%20covered

Topics Covered

security advisory moderate security update DoS attack moderate severity patch openssh SUSE Linux openSUSE MitM attack

Patch

## 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:

* openSUSE Leap 15.6

zypper in -t patch SUSE-2025-585=1 openSUSE-SLE-15.6-2025-585=1

* Basesystem Module 15-SP6

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-585=1

* Desktop Applications Module 15-SP6

zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP6-2025-585=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)

* openssh-debugsource-9.6p1-150600.6.15.2

* openssh-debuginfo-9.6p1-150600.6.15.2

* openssh-askpass-gnome-debuginfo-9.6p1-150600.6.15.1

* openssh-common-9.6p1-150600.6.15.2

* openssh-9.6p1-150600.6.15.2

* openssh-cavs-9.6p1-150600.6.15.2

* openssh-clients-9.6p1-150600.6.15.2

* openssh-common-debuginfo-9.6p1-150600.6.15.2

* openssh-fips-9.6p1-150600.6.15.2

* openssh-askpass-gnome-9.6p1-150600.6.15.1

* openssh-helpers-debuginfo-9.6p1-150600.6.15.2

* openssh-server-config-disallow-rootlogin-9.6p1-150600.6.15.2

* openssh-server-9.6p1-150600.6.15.2

* openssh-helpers-9.6p1-150600.6.15.2

* openssh-server-debuginfo-9.6p1-150600.6.15.2

* openssh-cavs-debuginfo-9.6p1-150600.6.15.2

* openssh-clients-debuginfo-9.6p1-150600.6.15.2

* openssh-askpass-gnome-debugsource-9.6p1-150600.6.15.1

* Basesystem Module 15-SP6 (aarch64 ppc64le s390x x86_64)

* openssh-debugsource-9.6p1-150600.6.15.2

* openssh-debuginfo-9.6p1-150600.6.15.2

* openssh-common-9.6p1-150600.6.15.2

*...

Read the Full Advisory

References

* bsc#1237040

* bsc#1237041

## References:

* https://www.suse.com/security/cve/CVE-2025-26465.html

* https://www.suse.com/security/cve/CVE-2025-26466.html

* https://bugzilla.suse.com/show_bug.cgi?id=1237040

* https://bugzilla.suse.com/show_bug.cgi?id=1237041

Announcement ID: SUSE-SU-2025:0585-1
Release Date: 2025-02-18T16:42:30Z
Affected Products: * Basesystem Module 15-SP6 * Desktop Applications Module 15-SP6 * openSUSE Leap 15.6 * SUSE Linux Enterprise Desktop 15 SP6 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP6

Topics%20covered

Topics Covered

security advisory moderate security update DoS attack moderate severity patch openssh SUSE Linux openSUSE MitM attack

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