Vulnerability-Lookup

GHSA-2VFM-V289-H559

Vulnerability from github – Published: 2026-07-14 21:32 – Updated: 2026-07-14 21:32

Details

In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.

Severity

8.6 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-15720"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-14T19:16:51Z",
    "severity": "HIGH"
  },
  "details": "In\u00a0Open5GS through version 2.7.7 a pre-authentication\u00a0heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in\u00a0subscriber-wide denial of service.",
  "id": "GHSA-2vfm-v289-h559",
  "modified": "2026-07-14T21:32:15Z",
  "published": "2026-07-14T21:32:15Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/security/advisories/GHSA-f4mx-3x6p-cfwp"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-15720"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-15720 (GCVE-0-2026-15720)

Vulnerability from cvelistv5 – Published: 2026-07-14 18:20 – Updated: 2026-07-14 18:20

Title

Pre-auth heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler

Summary

In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service.

Severity

8.6 (High)


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

CWE

CWE-125 - Out-of-bounds read

Assigner

redhat-cnalr

References

1 reference

URL	Tags
https://github.com/open5gs/open5gs/security/advis…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
open5gs	open5gs	Affected: 0 , ≤ 2.7.7 (semver)

Date Public

2026-06-04 18:11

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "open5gs",
          "vendor": "open5gs",
          "versions": [
            {
              "lessThanOrEqual": "2.7.7",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "datePublic": "2026-06-04T18:11:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "In\u0026nbsp;Open5GS through version 2.7.7 a pre-authentication\u0026nbsp;heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in\u0026nbsp;subscriber-wide denial of service."
            }
          ],
          "value": "In\u00a0Open5GS through version 2.7.7 a pre-authentication\u00a0heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in\u00a0subscriber-wide denial of service."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125 Out-of-bounds read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-14T18:20:22.732Z",
        "orgId": "74b3a70d-cca6-4d34-9789-e83b222ae3be",
        "shortName": "redhat-cnalr"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/open5gs/open5gs/security/advisories/GHSA-f4mx-3x6p-cfwp"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Pre-auth heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "74b3a70d-cca6-4d34-9789-e83b222ae3be",
    "assignerShortName": "redhat-cnalr",
    "cveId": "CVE-2026-15720",
    "datePublished": "2026-07-14T18:20:22.732Z",
    "dateReserved": "2026-07-14T12:29:33.633Z",
    "dateUpdated": "2026-07-14T18:20:22.732Z",
    "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.

Action not permitted

GHSA-2VFM-V289-H559

CVE-2026-15720 (GCVE-0-2026-15720)

Tags

Sightings

Nomenclature