CVE-2025-15539

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Source

https://cve.org/CVERecord?id=CVE-2025-15539

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-15539.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2025-15539

Published

2026-01-18T23:32:06Z

Modified

2026-10-28T10:42:24Z

Severity

5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator

Summary

Open5GS sgwc s11-handler.c sgwc_s11_handle_downlink_data_notification_ack denial of service

Details

A vulnerability was determined in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_downlink_data_notification_ack of the file src/sgwc/s11-handler.c of the component sgwc. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: b4707272c1caf6a7d4dca905694ea55557a0545f. To fix this issue, it is recommended to deploy a patch. The issue report is flagged as already-fixed.

Database specific

{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-404"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15539.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "2.7.3"
                        },
                        {
                            "last_affected": "2.7.3"
                        },
                        {
                            "introduced": "2.7.4"
                        },
                        {
                            "last_affected": "2.7.4"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                }
            ]
        }
    ]
}

References

Affected packages

Git / github.com/open5gs/open5gs

Affected ranges

Type

GIT

Repo

https://github.com/open5gs/open5gs

Events

Introduced

83e35bb2de7e67646fdba849580184422b10006a

Fixed

b4707272c1caf6a7d4dca905694ea55557a0545f

Database specific

Show details

{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "2.7.0"
                },
                {
                    "last_affected": "2.7.0"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "2.7.1"
                },
                {
                    "last_affected": "2.7.1"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "2.7.2"
                },
                {
                    "last_affected": "2.7.2"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "2.7.5"
                },
                {
                    "last_affected": "2.7.5"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "introduced": "2.7.6"
                },
                {
                    "last_affected": "2.7.6"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandaloneSingleVersion"
        },
        {
            "range": [
                {
                    "fixed": "b4707272c1caf6a7d4dca905694ea55557a0545f"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

2.*

2.7.0

2.7.1

2.7.2

2.7.5

2.7.6

v2.*

v2.7.0

v2.7.1

v2.7.2

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-15539.json"

vanir_signatures

[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
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            ],
            "threshold": 0.9
        },
        "id": "CVE-2025-15539-7489a089",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/b4707272c1caf6a7d4dca905694ea55557a0545f",
        "target": {
            "file": "src/sgwc/s11-handler.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "109559252747677377181125104709764980028",
            "length": 1116
        },
        "id": "CVE-2025-15539-e3da0d42",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/b4707272c1caf6a7d4dca905694ea55557a0545f",
        "target": {
            "file": "src/sgwc/s11-handler.c",
            "function": "sgwc_s11_handle_downlink_data_notification_ack"
        }
    }
]

vanir_signatures_modified

"2026-10-28T10:42:24Z"