Security advisory

{
  "id": "438d7b67e2e06bc3ed4f57c7a4fcfaa5cac2741a2b5b426e7f2cf8c4e392db33",
  "url": "https://osv.dev/vulnerability/CVE-2021-46022",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-46022",
    "summary": "An Use-After-Free vulnerability in rec_mset_elem_destroy() at rec-mset.c of GNU Recutils v1.8.90 can lead to a segmentation fault or application crash.",
    "evidence": "osv:CVE-2021-46022",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-46022",
      "aliases": [
        "CVE-2021-46022"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gnu-mirror-unofficial/recutils",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "34b75ed7ad492c8e38b669ebafe0176f1f9992d2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "34b75ed7ad492c8e38b669ebafe0176f1f9992d2"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-46022.json",
            "vanir_signatures": [
              {
                "id": "CVE-2021-46022-ac781a3e",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "29644893424882325700865118353132252811",
                    "329416259491914602351227822581003845240",
                    "338385620638968373949041340582211446384",
                    "137663640175312692916361425814139319546"
                  ]
                },
                "source": "https://github.com/gnu-mirror-unofficial/recutils/commit/34b75ed7ad492c8e38b669ebafe0176f1f9992d2",
                "target": {
                  "file": "src/rec-parser.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T14:10:56Z"
          }
        }
      ],
      "modified": "2026-10-20T14:10:56.342654771Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDVOFC3HTBG7DF2PZTEXRMG4CV2F55UF/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VRSXSN2XF6PX74WDYVV26TQMYIFAEQ3T/",
        "https://nvd.nist.gov/vuln/detail/CVE-2021-46022",
        "https://github.com/gnu-mirror-unofficial/recutils/commit/34b75ed7ad492c8e38b669ebafe0176f1f9992d2",
        "https://lists.gnu.org/archive/html/bug-recutils/2021-12/msg00007.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "35"
                  },
                  {
                    "last_affected": "35"
                  },
                  {
                    "introduced": "36"
                  },
                  {
                    "last_affected": "36"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:gnu:recutils:1.8.90:*:*:*:*:*:*:*"
            ],
            "vendor_product": "gnu:recutils",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.8.90"
                  },
                  {
                    "last_affected": "1.8.90"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-46022",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388679,
  "published_at": "2022-01-14T20:15:15.56+00:00"
}