Security advisory

{
  "id": "0b07cd11a3b877e4ff9df916f48890ef23dc6e65ab0c3f903a8d538cbbf4042b",
  "url": "https://osv.dev/vulnerability/CVE-2020-22886",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-22886",
    "summary": "Buffer overflow vulnerability in function jsG_markobject in jsgc.c in mujs before 1.0.8, allows remote attackers to cause a denial of service.",
    "evidence": "osv:CVE-2020-22886",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-22886",
      "aliases": [
        "CVE-2020-22886"
      ],
      "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/ccxvii/mujs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6a9eedea88d4194407f8c0a578e4458f73b7364d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:artifex:mujs:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.0.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0.7",
            "1.0.6",
            "1.0.5",
            "1.0.4",
            "1.0.3",
            "1.0.2",
            "1.0.1",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-22886.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-22886-8bda10eb",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "36188820412042184202914123028062882860",
                    "76184215087922537402989549619916677089",
                    "68106488057199759246319902032852141403",
                    "199717883801011208170941292429493870362"
                  ]
                },
                "source": "https://github.com/ccxvii/mujs/commit/6a9eedea88d4194407f8c0a578e4458f73b7364d",
                "target": {
                  "file": "jsdate.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:55:25Z"
          }
        }
      ],
      "modified": "2026-10-20T13:55:25.586029965Z",
      "provider": "osv",
      "references": [
        "https://github.com/ccxvii/mujs/issues/134"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-22886",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388376,
  "published_at": "2021-07-13T15:15:08.647+00:00"
}