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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2021-44108

A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2021-44108
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 13:02 UTC · Revision 1

Source evidence

CVE-2021-44108

core-osv · Original source

Published 5 Apr 2022, 02:15 UTC

A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.

osv:CVE-2021-44108
Complete source record
{
  "id": "21f00882e30a5964f3cdbfda2f8bf66544727bdc03e7a0f9359adec6b425e11c",
  "url": "https://osv.dev/vulnerability/CVE-2021-44108",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-44108",
    "summary": "A null pointer dereference in src/amf/namf-handler.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request to amf.",
    "evidence": "osv:CVE-2021-44108",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-44108",
      "aliases": [
        "CVE-2021-44108"
      ],
      "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": "7d9a651f6c533d72553bbd509c2b6ab5f348473a"
                },
                {
                  "fixed": "d919b2744cd05abae043490f0a3dd1946c1ccb8c"
                }
              ],
              "database_specific": {
                "extracted_events": [
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                    "cpe": "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.3.6"
                      }
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                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "d919b2744cd05abae043490f0a3dd1946c1ccb8c"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
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          "versions": [
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            "v2.3.0",
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            "v2.1.7",
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            "v2.1.1",
            "v2.1.0",
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            "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",
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            "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"
          ],
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            "vanir_signatures_modified": "2026-10-20T14:32:30Z"
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      "modified": "2026-10-20T14:32:30.765054665Z",
      "provider": "osv",
      "references": [
        "https://github.com/open5gs/open5gs/issues/1247",
        "https://github.com/open5gs/open5gs/commit/d919b2744cd05abae043490f0a3dd1946c1ccb8c"
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  "source_id": "core-osv",
  "document_id": 389713,
  "published_at": "2022-04-05T02:15:06.927+00:00"
}