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CVE-2019-1010176

Status: ModifiedCritical (9.8)—

JerryScript commit 4e58ccf68070671e1fff5cd6673f0c1d5b80b166 is affected by: Buffer Overflow. The impact is: denial of service and possibly arbitrary code execution. The component is: function lit_char_to_utf8_bytes (jerry-core/lit/lit-char-helpers.c:377). The attack vector is: executing crafted javascript code. The fixed version is: after commit 505dace719aebb3308a3af223cfaa985159efae0.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Jerryscript — Jerryscript

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-1010176",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV30": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
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  },
  "affected": [
    {
      "source": "josh@bress.net",
      "affectedData": [
        {
          "vendor": "JerryScript",
          "product": "JerryScript",
          "versions": [
            {
              "status": "affected",
              "version": "commit 4e58ccf68070671e1fff5cd6673f0c1d5b80b166 [fixed: after commit 505dace719aebb3308a3af223cfaa985159efae0] (as of 2018-09-14)"
            }
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  ],
  "published": "2019-07-25T14:15:11.623",
  "references": [
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      "url": "https://github.com/jerryscript-project/jerryscript/issues/2476",
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        "Patch",
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        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "JerryScript commit 4e58ccf68070671e1fff5cd6673f0c1d5b80b166 is affected by: Buffer Overflow. The impact is: denial of service and possibly arbitrary code execution. The component is: function lit_char_to_utf8_bytes (jerry-core/lit/lit-char-helpers.c:377). The attack vector is: executing crafted javascript code. The fixed version is: after commit 505dace719aebb3308a3af223cfaa985159efae0."
    },
    {
      "lang": "es",
      "value": "JerryScript en el commit 4e58ccf68070671e1fff5cd6673f0c1d5b80b166 esta afectado por: Desbordamiento del Búfer. El impacto es: Denegación de servicio y posiblemente ejecución de código arbitrario. El componente es: función lit_char_to_utf8_bytes (jerry-core/lit/lit-char-helpers.c:377). El vector de ataque es: ejecutando código JavaScript diseñado. La versión corregida es: después del commit 505dace719aebb3308a3af223cfaa985159efae0."
    }
  ],
  "lastModified": "2026-06-17T02:09:50.107",
  "configurations": [
    {
      "nodes": [
        {
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          "cpeMatch": [
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              "versionEndExcluding": "2.0"
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          "operator": "OR"
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  ],
  "sourceIdentifier": "josh@bress.net"
}