SUSE-SU-2026:21396-1: moderate: Security update for libssh

Thu Apr 30 16:30:20 UTC 2026

# Security update for libssh

Announcement ID: SUSE-SU-2026:21396-1  
Release Date: 2026-04-29T11:06:27Z  
Rating: moderate  
References:

  * bsc#1246974
  * bsc#1249375
  * bsc#1258045
  * bsc#1258049
  * bsc#1258054
  * bsc#1258080
  * bsc#1258081

Cross-References:

  * CVE-2025-8114
  * CVE-2025-8277
  * CVE-2026-0964
  * CVE-2026-0965
  * CVE-2026-0966
  * CVE-2026-0967
  * CVE-2026-0968

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
  * 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-2026-0964 ( NVD ):  5.0 CVSS:3.0/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-2026-0965 ( NVD ):  3.3 CVSS:3.0/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-2026-0966 ( NVD ):  6.5 CVSS:3.0/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-2026-0967 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-0967 ( NVD ):  2.2 CVSS:3.0/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
  * CVE-2026-0968 ( NVD ):  3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-0968 ( NVD ):  3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-0968 ( NVD ):  3.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected Products:

  * SUSE Linux Micro 6.2

An update that solves seven vulnerabilities can now be installed.

## Description:

This update for libssh fixes the following issues:

  * Update to version 0.11.4:
  * 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)
  * CVE-2025-8114: Fix NULL pointer dereference after allocation failure
    (bsc#1246974)
  * CVE-2025-8277: Fix memory leak of ephemeral key pair during repeated wrong
    KEX (bsc#1249375)

## 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 6.2  
    zypper in -t patch SUSE-SL-Micro-6.2-655=1

## Package List:

  * SUSE Linux Micro 6.2 (noarch)
    * libssh-config-0.11.4-160000.1.1
  * SUSE Linux Micro 6.2 (aarch64 s390x x86_64)
    * libssh-debugsource-0.11.4-160000.1.1
    * libssh4-0.11.4-160000.1.1
    * libssh4-debuginfo-0.11.4-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-8114.html
  * https://www.suse.com/security/cve/CVE-2025-8277.html
  * https://www.suse.com/security/cve/CVE-2026-0964.html
  * https://www.suse.com/security/cve/CVE-2026-0965.html
  * https://www.suse.com/security/cve/CVE-2026-0966.html
  * https://www.suse.com/security/cve/CVE-2026-0967.html
  * https://www.suse.com/security/cve/CVE-2026-0968.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1246974
  * https://bugzilla.suse.com/show_bug.cgi?id=1249375
  * https://bugzilla.suse.com/show_bug.cgi?id=1258045
  * https://bugzilla.suse.com/show_bug.cgi?id=1258049
  * https://bugzilla.suse.com/show_bug.cgi?id=1258054
  * https://bugzilla.suse.com/show_bug.cgi?id=1258080
  * https://bugzilla.suse.com/show_bug.cgi?id=1258081

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