Security advisory

{
  "id": "aa89ca6f87ba2a803e9985b9ad1a7e341ee0a0db4299232219175ca21f62d65a",
  "url": "https://osv.dev/vulnerability/CVE-2020-24343",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-24343",
    "summary": "Artifex MuJS through 1.0.7 has a use-after-free in jsrun.c because of unconditional marking in jsgc.c.",
    "evidence": "osv:CVE-2020-24343",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-24343",
      "aliases": [
        "CVE-2020-24343"
      ],
      "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/ccxvii/mujs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "90aca80865e28a1b9be9bc5ef1118438f62e4f8f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:artifex:mujs:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.0.7"
                      }
                    ],
                    "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-2020-24343.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:50.615006166Z",
      "provider": "osv",
      "references": [
        "https://github.com/ccxvii/mujs/issues/136"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-24343",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383937,
  "published_at": "2020-08-13T19:15:13.677+00:00"
}