Security update for openssh8.4

Announcement ID: SUSE-SU-2025:4098-1
Release Date: 2025-11-14T08:22:54Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2025-61984 ( SUSE ): 2.0 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
  • CVE-2025-61984 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
  • CVE-2025-61984 ( NVD ): 3.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
  • CVE-2025-61985 ( SUSE ): 2.0 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
  • CVE-2025-61985 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
  • CVE-2025-61985 ( NVD ): 3.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
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 two vulnerabilities can now be installed.

Description:

This update for openssh8.4 fixes the following issues:

  • CVE-2025-61984: Fixed code execution via control characters in usernames when a ProxyCommand is used (bsc#1251198)
  • CVE-2025-61985: Fixed code execution via '\0' character in ssh:// URI when a ProxyCommand is used (bsc#1251199)

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-2025-4098=1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-4098=1

Package List:

  • SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    • openssh8.4-server-debuginfo-8.4p1-8.19.1
    • openssh8.4-helpers-debuginfo-8.4p1-8.19.1
    • openssh8.4-fips-8.4p1-8.19.1
    • openssh8.4-common-8.4p1-8.19.1
    • openssh8.4-helpers-8.4p1-8.19.1
    • openssh8.4-clients-8.4p1-8.19.1
    • openssh8.4-server-8.4p1-8.19.1
    • openssh8.4-8.4p1-8.19.1
    • openssh8.4-debugsource-8.4p1-8.19.1
    • openssh8.4-common-debuginfo-8.4p1-8.19.1
    • openssh8.4-clients-debuginfo-8.4p1-8.19.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    • openssh8.4-server-debuginfo-8.4p1-8.19.1
    • openssh8.4-helpers-debuginfo-8.4p1-8.19.1
    • openssh8.4-fips-8.4p1-8.19.1
    • openssh8.4-common-8.4p1-8.19.1
    • openssh8.4-helpers-8.4p1-8.19.1
    • openssh8.4-clients-8.4p1-8.19.1
    • openssh8.4-server-8.4p1-8.19.1
    • openssh8.4-8.4p1-8.19.1
    • openssh8.4-debugsource-8.4p1-8.19.1
    • openssh8.4-common-debuginfo-8.4p1-8.19.1
    • openssh8.4-clients-debuginfo-8.4p1-8.19.1

References: