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CVE-2022-22844

Estado: ModificadaMedia (5.5)—

LibTIFF 4.3.0 has an out-of-bounds read in _TIFFmemcpy in tif_unix.c in certain situations involving a custom tag and 0x0200 as the second word of the DE field.

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 (3)

Debian — Debian LinuxLibtiff — LibtiffNetapp — Ontap Select Deploy Administration Utility

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2022-22844",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
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  },
  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "n/a",
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          "versions": [
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  "published": "2022-01-10T14:12:58.320",
  "references": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "LibTIFF 4.3.0 has an out-of-bounds read in _TIFFmemcpy in tif_unix.c in certain situations involving a custom tag and 0x0200 as the second word of the DE field."
    },
    {
      "lang": "es",
      "value": "LibTIFF versión 4.3.0, presenta una lectura fuera de límites en la función  _TIFFmemcpy en el archivo tif_unix.c en determinadas situaciones que implican una etiqueta personalizada y 0x0200 como la segunda palabra del campo DE"
    }
  ],
  "lastModified": "2026-06-17T04:29:08.070",
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        {
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  "sourceIdentifier": "cve@mitre.org"
}