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CVE-2022-45492

Estado: ModificadaAlta (7.8)—

Buffer overflow vulnerability in function json_parse_number in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code arbitrary code and gain escalated privileges.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Json.h Project — Json.h

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-45492",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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  ],
  "published": "2023-02-03T21:15:10.273",
  "references": [
    {
      "url": "https://github.com/hyrathon/trophies/security/advisories/GHSA-r9wh-hxqh-3xq7",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
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      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/hyrathon/trophies/security/advisories/GHSA-r9wh-hxqh-3xq7",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "tags": [
        "Issue Tracking",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
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  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow vulnerability in function json_parse_number in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code arbitrary code and gain escalated privileges."
    }
  ],
  "lastModified": "2026-06-17T05:10:15.250",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:json.h_project:json.h:*:*:*:*:*:*:*:*",
              "vulnerable": true,
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              "versionEndExcluding": "2022-11-14"
            }
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          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}