{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.6.16"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "e5ec04647fae67c8b7d6f0981ba8b23f7e47c82a"
            }
          ],
          "repo": "https://github.com/timeplus-io/proton",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "GovTech CSG",
    "cwe_ids": [
      "CWE-787"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4746.json"
  },
  "details": "Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is associated with program files inflate.C.\n\nThis issue affects proton: before 1.6.16.",
  "id": "CVE-2026-4746",
  "modified": "2026-07-15T01:49:15.886514030Z",
  "published": "2026-03-24T03:28:20.753Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4746.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4746"
    },
    {
      "type": "FIX",
      "url": "https://github.com/timeplus-io/proton/pull/943"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/timeplus-io/proton"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/S:N/AU:Y/R:U/V:C/RE:L/U:Amber",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Heap Buffer Over-Write Vulenrabilty in timeplus-io/proton"
}