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Security advisory

Type: advisorySources: OSVCVE: CVE-2025-29339

An issue in UPF in Open5GS UPF versions up to v2.7.2 results an assertion failure vulnerability in PFCP session parameter validation. When processing a PFCP Session Establishment Request with PDN Type=0, the UPF fails to handle the invalid value propagated from SMF (or via direct attack), triggering a fatal assertion check and causing a daemon crash.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2025-29339
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 13:08 UTC · Revision 1

Source evidence

CVE-2025-29339

core-osv · Original source

Published 22 Apr 2025, 00:00 UTC

An issue in UPF in Open5GS UPF versions up to v2.7.2 results an assertion failure vulnerability in PFCP session parameter validation. When processing a PFCP Session Establishment Request with PDN Type=0, the UPF fails to handle the invalid value propagated from SMF (or via direct attack), triggering a fatal assertion check and causing a daemon crash.

osv:CVE-2025-29339
Complete source record
{
  "id": "1e6016ddebc3af8084eeca207aeab32739654ebf000d30176ce9620c66e9e663",
  "url": "https://osv.dev/vulnerability/CVE-2025-29339",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-29339",
    "summary": "An issue in UPF in Open5GS UPF versions up to v2.7.2 results an assertion failure vulnerability in PFCP session parameter validation. When processing a PFCP Session Establishment Request with PDN Type=0, the UPF fails to handle the invalid value propagated from SMF (or via direct attack), triggering a fatal assertion check and causing a daemon crash.",
    "evidence": "osv:CVE-2025-29339",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-29339",
      "aliases": [
        "CVE-2025-29339"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/open5gs/open5gs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "43fa4857cce8af6b6ec3c8e3b0cbf99444948f76"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.7.2"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "cpe": "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.7.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.7.2",
            "v2.7.1",
            "v2.7.0",
            "v2.6.6",
            "v2.6.4",
            "v2.6.3",
            "v2.6.2",
            "v2.6.1",
            "v2.4.9",
            "v2.4.8",
            "v2.4.7",
            "v2.4.5",
            "v2.4.4",
            "v2.4.3",
            "v2.4.1",
            "v2.4.0",
            "v2.3.6",
            "v2.3.2",
            "v2.3.0",
            "v2.2.9",
            "v2.2.8",
            "v2.2.7",
            "v2.2.6",
            "v2.2.1",
            "v2.2.0",
            "v2.1.7",
            "v2.1.5",
            "v2.1.4",
            "v2.1.3",
            "v2.1.1",
            "v2.1.0",
            "v2.0.22",
            "v2.0.18",
            "v2.0.0",
            "v1.3.0",
            "v1.2.4",
            "v1.2.3",
            "v1.2.2",
            "v1.2.1",
            "v1.2.0",
            "v1.1.0",
            "v1.0.0",
            "v0.5.2",
            "v0.5.1",
            "v0.5.0",
            "v0.4.4",
            "v0.4.3",
            "v0.4.2",
            "v0.4.1",
            "v0.3.10",
            "v0.3.8",
            "v0.3.6",
            "v0.3.5",
            "v0.3.4",
            "v0.3.3",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "v0.2.0",
            "v0.1.1",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-29339.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.795044046Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/29xxx/CVE-2025-29339.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-29339",
        "https://github.com/open5gs/open5gs/issues/3727"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/29xxx/CVE-2025-29339.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-29339",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495681,
  "published_at": "2025-04-22T00:00:00+00:00"
}