Security update for libssh

Announcement ID: SUSE-SU-2025:03369-1
Release Date: 2025-09-26T10:54:53Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2025-8114 ( SUSE ): 5.7 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-8114 ( SUSE ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-8114 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-8114 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-8277 ( SUSE ): 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
  • CVE-2025-8277 ( NVD ): 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected Products:
  • Basesystem Module 15-SP6
  • Basesystem Module 15-SP7
  • openSUSE Leap 15.6
  • SUSE Linux Enterprise Desktop 15 SP6
  • SUSE Linux Enterprise Desktop 15 SP7
  • SUSE Linux Enterprise Real Time 15 SP6
  • SUSE Linux Enterprise Real Time 15 SP7
  • SUSE Linux Enterprise Server 15 SP6
  • SUSE Linux Enterprise Server 15 SP7
  • SUSE Linux Enterprise Server for SAP Applications 15 SP6
  • SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves two vulnerabilities can now be installed.

Description:

This update for libssh fixes the following issues:

  • CVE-2025-8277: memory exhaustion leading to client-side DoS due to improper memory management when KEX process is repeated with incorrect guesses (bsc#1249375).
  • CVE-2025-8114: NULL pointer dereference when an allocation error happens during the calculation of the KEX session ID (bsc#1246974).

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:

  • Basesystem Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2025-3369=1
  • openSUSE Leap 15.6
    zypper in -t patch SUSE-2025-3369=1 openSUSE-SLE-15.6-2025-3369=1
  • Basesystem Module 15-SP6
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-3369=1

Package List:

  • Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • libssh-devel-0.9.8-150600.11.6.1
    • libssh-debugsource-0.9.8-150600.11.6.1
    • libssh-config-0.9.8-150600.11.6.1
    • libssh4-0.9.8-150600.11.6.1
    • libssh4-debuginfo-0.9.8-150600.11.6.1
  • Basesystem Module 15-SP7 (x86_64)
    • libssh4-32bit-debuginfo-0.9.8-150600.11.6.1
    • libssh4-32bit-0.9.8-150600.11.6.1
  • openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    • libssh-devel-0.9.8-150600.11.6.1
    • libssh-debugsource-0.9.8-150600.11.6.1
    • libssh-config-0.9.8-150600.11.6.1
    • libssh4-0.9.8-150600.11.6.1
    • libssh4-debuginfo-0.9.8-150600.11.6.1
  • openSUSE Leap 15.6 (x86_64)
    • libssh4-32bit-debuginfo-0.9.8-150600.11.6.1
    • libssh4-32bit-0.9.8-150600.11.6.1
  • openSUSE Leap 15.6 (aarch64_ilp32)
    • libssh4-64bit-0.9.8-150600.11.6.1
    • libssh4-64bit-debuginfo-0.9.8-150600.11.6.1
  • Basesystem Module 15-SP6 (aarch64 ppc64le s390x x86_64)
    • libssh-devel-0.9.8-150600.11.6.1
    • libssh-debugsource-0.9.8-150600.11.6.1
    • libssh-config-0.9.8-150600.11.6.1
    • libssh4-0.9.8-150600.11.6.1
    • libssh4-debuginfo-0.9.8-150600.11.6.1
  • Basesystem Module 15-SP6 (x86_64)
    • libssh4-32bit-debuginfo-0.9.8-150600.11.6.1
    • libssh4-32bit-0.9.8-150600.11.6.1

References: