CVE-2026-113680 affecting package harfbuzz 8.3.0-4

{
  "id": "06d9501ca9d11e6ddb7efffce1975e60375bab0e3b8ff95b7eb7a9bb899e2eaa",
  "url": "https://osv.dev/vulnerability/AZL-109809",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-113680 affecting package harfbuzz 8.3.0-4",
    "summary": "HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper host imports buffer_set_contents, face_create, and font_set_coords. Attackers can supply a crafted font whose embedded wasm module passes out-of-range addresses with non-zero lengths, crashing any application that shapes text with the font.",
    "evidence": "osv:AZL-109809",
    "products": [
      {
        "name": {
          "value": "harfbuzz",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "AZL-109809",
      "aliases": [
        "AZL-109809"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "8.3.0-4"
                }
              ]
            }
          ],
          "package": {
            "name": "harfbuzz",
            "purl": "pkg:rpm/azure-linux/harfbuzz",
            "ecosystem": "Azure Linux:3"
          },
          "database_specific": {
            "source": "https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-109809.json"
          }
        }
      ],
      "modified": "2026-10-27T05:36:16Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-113680"
      ],
      "references": [
        "https://nvd.nist.gov/vuln/detail/CVE-2026-113680"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-113680",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 460537,
  "published_at": "2026-10-20T16:17:12+00:00"
}