RHSA-2026:62217

Vulnerability from csaf_opensuse - Published: 2026-09-01 00:00 - Updated: 2026-09-16 18:48
Summary
security update for libssh
Severity
Moderate
Notes
Title of the patch: security update for libssh
Description of the patch: This security update provides a functional equivalent of RHSA-2026:62217. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2026:62217.
Patchnames: RHSA-2026:62217
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-59843
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2026-59844
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 5 products, the same list as for CVE-2026-59843
Threats
Impact moderate
CVE-2026-59845
6.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Affected products
Recommended 5 products, the same list as for CVE-2026-59843
Threats
Impact moderate
CVE-2026-59846
3.9 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Affected products
Recommended 5 products, the same list as for CVE-2026-59843
Threats
Impact low
CVE-2026-59847
6.5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
Affected products
Recommended 5 products, the same list as for CVE-2026-59843
Threats
Impact moderate
CVE-2026-59848
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
Recommended 5 products, the same list as for CVE-2026-59843
Threats
Impact moderate
CVE-2026-59850
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected products
Recommended 5 products, the same list as for CVE-2026-59843
Threats
Impact moderate
References
To clipboard 

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        }
      ],
      "title": "CVE-2026-59845"
    },
    {
      "cve": "CVE-2026-59846",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-59846"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686",
          "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64",
          "SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch",
          "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686",
          "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-59846",
          "url": "https://www.suse.com/security/cve/CVE-2026-59846"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1272167 for CVE-2026-59846",
          "url": "https://bugzilla.suse.com/1272167"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64",
            "SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.9,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64",
            "SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-09-01T00:00:00Z",
          "details": "low"
        }
      ],
      "title": "CVE-2026-59846"
    },
    {
      "cve": "CVE-2026-59847",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-59847"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effectively remove integrity protection, allowing an in-path attacker to modify plaintext on the wire without detection.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686",
          "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64",
          "SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch",
          "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686",
          "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-59847",
          "url": "https://www.suse.com/security/cve/CVE-2026-59847"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1272168 for CVE-2026-59847",
          "url": "https://bugzilla.suse.com/1272168"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64",
            "SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64",
            "SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-09-01T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-59847"
    },
    {
      "cve": "CVE-2026-59848",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-59848"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686",
          "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64",
          "SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch",
          "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686",
          "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-59848",
          "url": "https://www.suse.com/security/cve/CVE-2026-59848"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1272169 for CVE-2026-59848",
          "url": "https://bugzilla.suse.com/1272169"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64",
            "SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64",
            "SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-09-01T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-59848"
    },
    {
      "cve": "CVE-2026-59850",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-59850"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686",
          "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64",
          "SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch",
          "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686",
          "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-59850",
          "url": "https://www.suse.com/security/cve/CVE-2026-59850"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1272171 for CVE-2026-59850",
          "url": "https://bugzilla.suse.com/1272171"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64",
            "SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-0.10.4-19.el9_8.x86_64",
            "SUSE Liberty Linux 9:libssh-config-0.10.4-19.el9_8.noarch",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.i686",
            "SUSE Liberty Linux 9:libssh-devel-0.10.4-19.el9_8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-09-01T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-59850"
    }
  ]
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.