GHSA-6G7G-W4F8-9C9X

Vulnerability from github – Published: 2026-03-18 13:00 – Updated: 2026-04-27 16:35
VLAI
Summary
github.com/buger/jsonparser has a denial of service vulnerability
Details

The Delete function fails to properly validate offsets when processing malformed JSON input. This can lead to a negative slice index and a runtime panic, allowing a denial of service attack.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.1.1"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/buger/jsonparser"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-32285"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125",
      "CWE-129"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-18T13:00:19Z",
    "nvd_published_at": "2026-03-26T20:16:12Z",
    "severity": "HIGH"
  },
  "details": "The Delete function fails to properly validate offsets when processing malformed JSON input. This can lead to a negative slice index and a runtime panic, allowing a denial of service attack.",
  "id": "GHSA-6g7g-w4f8-9c9x",
  "modified": "2026-04-27T16:35:20Z",
  "published": "2026-03-18T13:00:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32285"
    },
    {
      "type": "WEB",
      "url": "https://github.com/buger/jsonparser/issues/275"
    },
    {
      "type": "WEB",
      "url": "https://github.com/golang/vulndb/issues/4514"
    },
    {
      "type": "WEB",
      "url": "https://github.com/buger/jsonparser/pull/276"
    },
    {
      "type": "WEB",
      "url": "https://github.com/buger/jsonparser/commit/a69e7e01cd4ad67bdfd3ac2c080b9212af16f4b0"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/buger/jsonparser"
    },
    {
      "type": "WEB",
      "url": "https://github.com/buger/jsonparser/releases/tag/v1.1.2"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2026-4514"
    },
    {
      "type": "WEB",
      "url": "https://securityinfinity.com/research/buger-jsonparser-negative-slice-panic-dos-2026"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "github.com/buger/jsonparser has a denial of service vulnerability"
}


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Nomenclature

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