Security advisory

{
  "id": "fb8617ac340da820ba83973a057d6bed96c2407827e6d755a7a3993752155b97",
  "url": "https://osv.dev/vulnerability/CVE-2021-32284",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-32284",
    "summary": "An issue was discovered in gravity through 0.8.1. A NULL pointer dereference exists in the function ircode_register_pop_context_protect() located in gravity_ircode.c. It allows an attacker to cause Denial of Service.",
    "evidence": "osv:CVE-2021-32284",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-32284",
      "aliases": [
        "CVE-2021-32284"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/marcobambini/gravity",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "e9d58beddfce0e89f6fd1987068c95a7551fd5cb"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:creolabs:gravity:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.8.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.8.1",
            "0.8.0",
            "0.7.9",
            "0.7.8",
            "0.7.7",
            "0.7.6",
            "0.7.5",
            "0.7.4",
            "0.7.0",
            "0.6.9",
            "0.6.7",
            "0.6.6",
            "0.6.5",
            "0.6.4",
            "0.6.3",
            "0.6.1",
            "0.6.0",
            "0.5.9",
            "0.5.8",
            "0.5.6",
            "0.5.5",
            "0.5.4",
            "0.5.1",
            "0.5.0",
            "0.4.9",
            "0.4.8",
            "0.4.7",
            "0.4.5",
            "0.4.4",
            "0.4.3",
            "0.4.2",
            "0.4.1",
            "0.4.0",
            "0.3.8",
            "0.3.7",
            "0.3.6",
            "0.3.5",
            "0.3.0",
            "0.2.8"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32284.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:41.382591474Z",
      "provider": "osv",
      "references": [
        "https://github.com/marcobambini/gravity/issues/321"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-32284",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385893,
  "published_at": "2021-09-20T16:15:10.647+00:00"
}