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CVE-2018-16985

Estado: ModificadaAlta (7.5)—

In Lizard (formerly LZ5) 2.0, use of an invalid memory address was discovered in LZ5_compress_continue in lz5_compress.c, related to LZ5_compress_fastSmall and MEM_read32. The vulnerability causes a segmentation fault and application crash, which leads to denial of service.

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)

Lizard Project — Lizard

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-16985",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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        "impactScore": 3.6,
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  "affected": [
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      "affectedData": [
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          "vendor": "n/a",
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  "published": "2018-09-13T14:29:00.327",
  "references": [
    {
      "url": "https://github.com/inikep/lizard/issues/18",
      "tags": [
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        "Vendor Advisory"
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  "vulnStatus": "Modified",
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      "description": [
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          "value": "CWE-125"
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      "lang": "en",
      "value": "In Lizard (formerly LZ5) 2.0, use of an invalid memory address was discovered in LZ5_compress_continue in lz5_compress.c, related to LZ5_compress_fastSmall and MEM_read32. The vulnerability causes a segmentation fault and application crash, which leads to denial of service."
    },
    {
      "lang": "es",
      "value": "En Lizard (formerly LZ5) 2.0, se ha descubierto el uso de una dirección de memoria inválida en LZ5_compress_continue en lz5_compress.c, relacionado con LZ5_compress_fastSmall y MEM_read32. Esta vulnerabilidad causa un error de segmentación y el cierre inesperado de la aplicación, lo que da lugar a una denegación de servicio."
    }
  ],
  "lastModified": "2026-06-17T01:45:10.737",
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