Vulnerability-Lookup

GHSA-GQ8R-4RR6-WR2Q

Vulnerability from github – Published: 2026-01-02 00:30 – Updated: 2026-02-23 09:31

Details

A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function ogs_gtp2_parse_bearer_qos in the library lib/gtp/v2/types.c of the component Bearer QoS IE Length Handler. Performing manipulation results in denial of service. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is named 4e913d21f2c032b187815f063dbab5ebe65fe83a. To fix this issue, it is recommended to deploy a patch.

Severity

3.3 (Low)


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

1.9 (Low)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

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{
  "affected": [],
  "aliases": [
    "CVE-2025-15418"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-404"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-02T00:15:43Z",
    "severity": "MODERATE"
  },
  "details": "A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function ogs_gtp2_parse_bearer_qos in the library lib/gtp/v2/types.c of the component Bearer QoS IE Length Handler. Performing manipulation results in denial of service. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is named 4e913d21f2c032b187815f063dbab5ebe65fe83a. To fix this issue, it is recommended to deploy a patch.",
  "id": "GHSA-gq8r-4rr6-wr2q",
  "modified": "2026-02-23T09:31:18Z",
  "published": "2026-01-02T00:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-15418"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/issues/4217"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/issues/4217#issue-3759615968"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/issues/4217#issuecomment-3690767105"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/commit/4e913d21f2c032b187815f063dbab5ebe65fe83a"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.339340"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.339340"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?submit.728043"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-15418 (GCVE-0-2025-15418)

Vulnerability from cvelistv5 – Published: 2026-01-01 23:32 – Updated: 2026-02-23 08:05 X_Open Source

Title

Open5GS Bearer QoS IE Length types.c ogs_gtp2_parse_bearer_qos denial of service

Summary

A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function ogs_gtp2_parse_bearer_qos in the library lib/gtp/v2/types.c of the component Bearer QoS IE Length Handler. Performing a manipulation results in denial of service. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is named 4e913d21f2c032b187815f063dbab5ebe65fe83a. To fix this issue, it is recommended to deploy a patch.

Severity

4.8 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

3.3 (Low)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

3.3 (Low)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-05 20:47 UTC

CWE

CWE-404 - Denial of Service

Assigner

VulDB mitre root

References

8 references

URL	Tags
https://vuldb.com/?id.339340	vdb-entrytechnical-description
https://vuldb.com/?ctiid.339340	signaturepermissions-required
https://vuldb.com/?submit.728043	third-party-advisory
https://github.com/open5gs/open5gs/issues/4217	issue-tracking
https://github.com/open5gs/open5gs/issues/4217#is…	issue-tracking
https://github.com/open5gs/open5gs/issues/4217#is…	exploitissue-tracking
https://github.com/open5gs/open5gs/commit/4e913d2…	patch
https://github.com/open5gs/open5gs/	product

Impacted products

1 product

Vendor	Product	Version
n/a	Open5GS	Affected: 2.7.0 Affected: 2.7.1 Affected: 2.7.2 Affected: 2.7.3 Affected: 2.7.4 Affected: 2.7.5 Affected: 2.7.6 cpe:2.3:a:open5gs:open5gs::::::::

Credits

LinZiyu (VulDB User) LinZiyu (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-15418",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-05T20:47:50.587899Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-05T21:50:43.884Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/open5gs/open5gs/issues/4217#issue-3759615968"
          },
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/open5gs/open5gs/issues/4217#issuecomment-3690767105"
          },
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/open5gs/open5gs/issues/4217"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Bearer QoS IE Length Handler"
          ],
          "product": "Open5GS",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "2.7.0"
            },
            {
              "status": "affected",
              "version": "2.7.1"
            },
            {
              "status": "affected",
              "version": "2.7.2"
            },
            {
              "status": "affected",
              "version": "2.7.3"
            },
            {
              "status": "affected",
              "version": "2.7.4"
            },
            {
              "status": "affected",
              "version": "2.7.5"
            },
            {
              "status": "affected",
              "version": "2.7.6"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "LinZiyu (VulDB User)"
        },
        {
          "lang": "en",
          "type": "analyst",
          "value": "LinZiyu (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function ogs_gtp2_parse_bearer_qos in the library lib/gtp/v2/types.c of the component Bearer QoS IE Length Handler. Performing a manipulation results in denial of service. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is named 4e913d21f2c032b187815f063dbab5ebe65fe83a. To fix this issue, it is recommended to deploy a patch."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 1.7,
            "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-404",
              "description": "Denial of Service",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-23T08:05:17.540Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-339340 | Open5GS Bearer QoS IE Length types.c ogs_gtp2_parse_bearer_qos denial of service",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.339340"
        },
        {
          "name": "VDB-339340 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.339340"
        },
        {
          "name": "Submit #728043 | Open5GS SGWC v2.7.6 Denial of Service",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.728043"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/open5gs/open5gs/issues/4217"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/open5gs/open5gs/issues/4217#issuecomment-3690767105"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/open5gs/open5gs/issues/4217#issue-3759615968"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/open5gs/open5gs/commit/4e913d21f2c032b187815f063dbab5ebe65fe83a"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/open5gs/open5gs/"
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-01-01T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-01-01T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-01-29T10:25:55.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Open5GS Bearer QoS IE Length types.c ogs_gtp2_parse_bearer_qos denial of service"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-15418",
    "datePublished": "2026-01-01T23:32:07.646Z",
    "dateReserved": "2026-01-01T10:57:04.431Z",
    "dateUpdated": "2026-02-23T08:05:17.540Z",
    "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.

Action not permitted

GHSA-GQ8R-4RR6-WR2Q

CVE-2025-15418 (GCVE-0-2025-15418)

Tags

Sightings

Nomenclature

Related by attack behaviour