SUSE-SU-2026:4907-1: important: Security update for openssh8.4

SLE-SECURITY-UPDATES null at suse.de
Mon Oct 26 12:30:47 UTC 2026 

# Security update for openssh8.4

Announcement ID: SUSE-SU-2026:4907-1  
Release Date: 2026-10-26T07:21:10Z  
Rating: important  
References:

  * bsc#1271044
  * bsc#1271048
  * bsc#1271049
  * bsc#1271052
  * bsc#1271053
  * bsc#1271054
  * bsc#1271055

  
Cross-References:

  * CVE-2026-59995
  * CVE-2026-59997
  * CVE-2026-59998
  * CVE-2026-59999
  * CVE-2026-60000
  * CVE-2026-60001
  * CVE-2026-60002

  
CVSS scores:

  * CVE-2026-59995 ( SUSE ):  2.1
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-59995 ( SUSE ):  4.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
  * CVE-2026-59995 ( NVD ):  4.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
  * CVE-2026-59995 ( NVD ):  5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
  * CVE-2026-59997 ( SUSE ):  2.1
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-59997 ( SUSE ):  4.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
  * CVE-2026-59997 ( NVD ):  4.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
  * CVE-2026-59997 ( NVD ):  5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
  * CVE-2026-59998 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-59998 ( SUSE ):  4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-59998 ( NVD ):  4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-59998 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-59999 ( SUSE ):  6.0
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-59999 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-59999 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-59999 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-60000 ( SUSE ):  2.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-60000 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-60000 ( NVD ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-60000 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-60001 ( 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-2026-60001 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
  * CVE-2026-60001 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
  * CVE-2026-60002 ( SUSE ):  7.5
    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-60002 ( SUSE ):  7.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
  * CVE-2026-60002 ( NVD ):  7.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
  * CVE-2026-60002 ( NVD ):  9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves seven vulnerabilities can now be installed.

## Description:

This update for openssh8.4 fixes the following issues:

  * CVE-2026-59995: sftp: a malicious server could change the the location of
    downloaded files (bsc#1271044).
  * CVE-2026-59997: sshd: internal-sftp command lines are silently truncated
    after the 9th argument (bsc#1271048).
  * CVE-2026-59998: sshd: Undocumented GSSAPIStrictAcceptorCheck behavior
    impacts security in Windows Active Directory (bsc#1271049).
  * CVE-2026-59999: sshd: DisableForwarding=yes didn't override PermitTunnel=yes
    (bsc#1271052).
  * CVE-2026-60000: sshd: pre-authentication denial of service when
    GSSAPIAuthentication is enabled (bsc#1271053).
  * CVE-2026-60001: sshd: honor the minimum authentication delay (bsc#1271054).
  * CVE-2026-60002: ssh: client-side use-after-free when a server changes its
    host key during a key reexchange (bsc#1271055).

## 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 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-4907

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-4907

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * openssh8.4-clients-8.4p1-8.30.1
    * openssh8.4-debugsource-8.4p1-8.30.1
    * openssh8.4-server-debuginfo-8.4p1-8.30.1
    * openssh8.4-clients-debuginfo-8.4p1-8.30.1
    * openssh8.4-common-8.4p1-8.30.1
    * openssh8.4-8.4p1-8.30.1
    * openssh8.4-helpers-8.4p1-8.30.1
    * openssh8.4-fips-8.4p1-8.30.1
    * openssh8.4-helpers-debuginfo-8.4p1-8.30.1
    * openssh8.4-common-debuginfo-8.4p1-8.30.1
    * openssh8.4-server-8.4p1-8.30.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * openssh8.4-clients-8.4p1-8.30.1
    * openssh8.4-debugsource-8.4p1-8.30.1
    * openssh8.4-server-debuginfo-8.4p1-8.30.1
    * openssh8.4-clients-debuginfo-8.4p1-8.30.1
    * openssh8.4-common-8.4p1-8.30.1
    * openssh8.4-8.4p1-8.30.1
    * openssh8.4-helpers-8.4p1-8.30.1
    * openssh8.4-fips-8.4p1-8.30.1
    * openssh8.4-helpers-debuginfo-8.4p1-8.30.1
    * openssh8.4-common-debuginfo-8.4p1-8.30.1
    * openssh8.4-server-8.4p1-8.30.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-59995.html
  * https://www.suse.com/security/cve/CVE-2026-59997.html
  * https://www.suse.com/security/cve/CVE-2026-59998.html
  * https://www.suse.com/security/cve/CVE-2026-59999.html
  * https://www.suse.com/security/cve/CVE-2026-60000.html
  * https://www.suse.com/security/cve/CVE-2026-60001.html
  * https://www.suse.com/security/cve/CVE-2026-60002.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1271044
  * https://bugzilla.suse.com/show_bug.cgi?id=1271048
  * https://bugzilla.suse.com/show_bug.cgi?id=1271049
  * https://bugzilla.suse.com/show_bug.cgi?id=1271052
  * https://bugzilla.suse.com/show_bug.cgi?id=1271053
  * https://bugzilla.suse.com/show_bug.cgi?id=1271054
  * https://bugzilla.suse.com/show_bug.cgi?id=1271055

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