Ella Core Panics Upon NGAP handover failure

{
  "id": "134937470e20b5a37d56f382f2589ce6420977f68b995a3207ccd0c6d20c7c06",
  "url": "https://osv.dev/vulnerability/CVE-2026-34761",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Ella Core Panics Upon NGAP handover failure",
    "summary": "Ella Core is a 5G core designed for private networks. Prior to version 1.8.0, Ella Core panics when processing a NGAP handover failure message. An attacker able to cause a gNodeB to send NGAP handover failure messages to Ella Core can crash the process, causing service disruption for all connected subscribers. This issue has been patched in version 1.8.0.",
    "evidence": "osv:CVE-2026-34761",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-34761",
      "aliases": [
        "CVE-2026-34761",
        "GHSA-6gm8-3g4h-w82m",
        "GO-2026-5177"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ellanetworks/core",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "556ed7d3dd50765ffc2b18aab7db612ce92e20d9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.8.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "556ed7d3dd50765ffc2b18aab7db612ce92e20d9"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.8.0"
                  },
                  {
                    "cpe": "cpe:2.3:a:ellanetworks:ella_core:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.8.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.7.0",
            "v1.6.0",
            "v1.5.2",
            "v1.5.1",
            "v1.5.0",
            "v1.4.0",
            "v1.3.0",
            "v1.2.0",
            "v1.1.0",
            "v1.0.0",
            "v0.7.0",
            "v0.6.0",
            "v0.5.0",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.1",
            "v0.3.0",
            "v0.2.0",
            "v0.1.0",
            "v0.0.20",
            "v0.0.19",
            "v0.0.18",
            "v0.0.17",
            "v0.0.16",
            "v0.0.15",
            "v0.0.14",
            "v0.0.13",
            "v0.0.12",
            "v0.0.11",
            "v0.0.10",
            "v0.0.9",
            "v0.0.8",
            "v0.0.7",
            "v0.0.6",
            "v0.0.5",
            "v0.0.4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34761.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.923059578Z",
      "provider": "osv",
      "references": [
        "https://github.com/ellanetworks/core/releases/tag/v1.8.0",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34761.json",
        "https://github.com/ellanetworks/core/security/advisories/GHSA-6gm8-3g4h-w82m",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-34761"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-476"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34761.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-34761",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 499999,
  "published_at": "2026-04-02T19:03:05.307+00:00"
}