Vulnerability-Lookup

OESA-2025-2301 (CVE-2025-8114)

Vulnerability from osv_openeuler – Published: 2025-09-19 11:09 – Updated: 2026-08-06 11:09 – Source website

Summary

libssh security update

Details

The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote programs. With its Secure FTP implementation, you can play with remote files easily, without third-party programs others than libcrypto (from openssl).

Security Fix(es):

A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash.(CVE-2025-8114)

Severity

4.7 (Medium)


                    
                      CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2025-8114	ADVISORY

JSON

To clipboard

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          "libssh-0.10.5-6.oe2403sp1.src.rpm",
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          "libssh-0.10.5-6.oe2403sp1.x86_64.rpm",
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      },
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          "libssh-debugsource-0.10.5-6.oe2403sp2.x86_64.rpm",
          "libssh-devel-0.10.5-6.oe2403sp2.x86_64.rpm"
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      },
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          ],
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        }
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    },
    {
      "ecosystem_specific": {
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          "libssh-debuginfo-0.9.4-12.oe2003sp4.aarch64.rpm",
          "libssh-debugsource-0.9.4-12.oe2003sp4.aarch64.rpm",
          "libssh-devel-0.9.4-12.oe2003sp4.aarch64.rpm"
        ],
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    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "The ssh library was designed to be used by programmers needing a working SSH implementation by the mean of a library. The complete control of the client is made by the programmer. With libssh, you can remotely execute programs, transfer files, use a secure and transparent tunnel for your remote programs. With its Secure FTP implementation, you can play with remote files easily, without third-party programs others than libcrypto (from openssl).\r\n\r\nSecurity Fix(es):\n\nA flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash.(CVE-2025-8114)",
  "id": "OESA-2025-2301",
  "modified": "2026-08-06T11:09:22Z",
  "published": "2025-09-19T11:09:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2301"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-8114"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "libssh security update",
  "upstream": [
    "CVE-2025-8114"
  ]
}

CVE-2025-8114 (GCVE-0-2025-8114)

Vulnerability from cvelistv5 – Published: 2025-07-24 14:14 – Updated: 2026-09-01 11:54

Title

Libssh: null pointer dereference in libssh kex session id calculation

Summary

Severity

4.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-07-24 15:32 UTC

CWE

CWE-476 - NULL Pointer Dereference

Assigner

redhat redhat root

References

6 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:18683	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-8114	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2383220	issue-trackingx_refsource_REDHAT
https://git.libssh.org/projects/libssh.git/commit…
https://git.libssh.org/projects/libssh.git/commit…
https://www.libssh.org/security/advisories/CVE-20…

Impacted products

7 products

Vendor	Product	Version
		Affected: 0 , < 0.11.3 (semver)
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:0.10.4-18.el9 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat OpenShift Container Platform 4	cpe:/a:redhat:openshift:4

Date Public

2025-07-24 00:00

Credits

Red Hat would like to thank Jakub Jelen and Philippe Antoine for reporting this issue.

Show details on NVD website

JSON

To clipboard

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    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2025-8114",
    "datePublished": "2025-07-24T14:14:47.745Z",
    "dateReserved": "2025-07-24T12:27:58.843Z",
    "dateUpdated": "2026-09-01T11:54:51.247Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.