Security update for libssh

Announcement ID: SUSE-SU-2026:20524-1
Release Date: 2026-02-26T10:52:47Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2026-0964 ( SUSE ): 5.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
  • CVE-2026-0965 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
  • CVE-2026-0966 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
  • CVE-2026-0967 ( SUSE ): 1.0 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  • CVE-2026-0967 ( SUSE ): 2.2 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L
  • CVE-2026-0968 ( SUSE ): 2.1 CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
  • CVE-2026-0968 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L
Affected Products:
  • SUSE Linux Micro 6.0

An update that solves five vulnerabilities can now be installed.

Description:

This update for libssh fixes the following issues:

  • CVE-2026-0964: SCP Protocol Path Traversal in ssh_scp_pull_request() (bsc#1258049)
  • CVE-2026-0965: Possible Denial of Service when parsing unexpected configuration files (bsc#1258045)
  • CVE-2026-0966: Buffer underflow in ssh_get_hexa() on invalid input (bsc#1258054)
  • CVE-2026-0967: Specially crafted patterns could cause DoS (bsc#1258081)
  • CVE-2026-0968: OOB Read in sftp_parse_longname() (bsc#1258080)

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 Micro 6.0
    zypper in -t patch SUSE-SLE-Micro-6.0-594=1

Package List:

  • SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    • libssh4-0.10.6-4.1
    • libssh4-debuginfo-0.10.6-4.1
    • libssh-config-0.10.6-4.1
    • libssh-debugsource-0.10.6-4.1

References: