Security advisory

{
  "id": "3ac4bfeb5776857aaf805451ee4abc7063b25bc0a2fe7a84a7f32f4bd527db2a",
  "url": "https://osv.dev/vulnerability/CVE-2021-44496",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-44496",
    "summary": "An issue was discovered in FIS GT.M through V7.0-000 (related to the YottaDB code base). Using crafted input, an attacker can control the size variable and buffer that is passed to a call to memcpy. An attacker can use this to overwrite key data structures and gain control of the flow of execution.",
    "evidence": "osv:CVE-2021-44496",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-44496",
      "aliases": [
        "CVE-2021-44496"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://gitlab.com/yottadb/db/ydb",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "451ab4772089182d502d1758a83cb793c2913b63"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:fisglobal:gt.m:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "7.0-000"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "V7.0-000",
            "V6.3-014",
            "V6.3-013",
            "V6.3-012",
            "V6.3-011",
            "V6.3-010",
            "V6.3-009",
            "V6.3-008",
            "V6.3-007",
            "V6.3-006",
            "V6.3-005",
            "V6.3-004",
            "V6.3-003A",
            "V6.3-003",
            "V6.3-002",
            "V6.3-001A",
            "V6.3-001",
            "V6.3-000A",
            "V6.3-000",
            "V6.2-002A",
            "V6.2-002",
            "V6.2-001",
            "V6.2-000",
            "V6.1-000",
            "V6.0-003",
            "V6.0-002",
            "V6.0-001",
            "V6.0-000x64",
            "V6.0-000x86",
            "V5.5-000",
            "V5.4-002B",
            "V5.4-002A",
            "V5.4-002",
            "V5.4-001",
            "V5.4-000A",
            "V5.4-000",
            "V5.3-004A",
            "V5.3-004",
            "V5.3-003",
            "V5.3-002",
            "V5.3-001A",
            "V5.3-001",
            "V5.3-000",
            "V5.2-001",
            "V5.2-000B",
            "V5.2-000A",
            "V5.2-000",
            "V5.1-000",
            "V5.0-000D",
            "V5.0-000C",
            "V5.0-000",
            "V4.4-004",
            "V4.4-003",
            "V4.4-FT01",
            "V4.4-002",
            "V4.3-001E",
            "V4.3-001D",
            "V4.3-001B",
            "V4.3-001A",
            "V4.3-000",
            "V4.2-002"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44496.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:05.797206603Z",
      "provider": "osv",
      "references": [
        "https://sourceforge.net/projects/fis-gtm/files/",
        "https://gitlab.com/YottaDB/DB/YDB/-/issues/828"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-44496",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386871,
  "published_at": "2022-04-15T18:15:08.96+00:00"
}