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CVE-2026-24799

Status: DeferredMedium (5.2)—

Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in davisking dlib (dlib/external/zlib modules). This vulnerability is associated with program files inflate.C.

This issue affects dlib: before v19.24.9.

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)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Davisking — DlibAI

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2026-24799",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-24799",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-01-27T15:29:05.640071Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "cve_disclosure@tech.gov.sg",
        "cvssData": {
          "Safety": "NEGLIGIBLE",
          "version": "4.0",
          "Recovery": "USER",
          "baseScore": 5.2,
          "Automatable": "YES",
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "valueDensity": "CONCENTRATED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:H/SC:N/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:L/U:Amber",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "AMBER",
          "userInteraction": "ACTIVE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "LOW",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "LOW",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "cve_disclosure@tech.gov.sg",
      "affectedData": [
        {
          "vendor": "davisking",
          "modules": [
            "dlib/external/zlib"
          ],
          "product": "dlib",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "v19.24.9",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "inflate.c"
          ],
          "collectionURL": "https://github.com/davisking/dlib",
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-01-27T09:15:49.787",
  "references": [
    {
      "url": "https://github.com/davisking/dlib/pull/3063",
      "source": "cve_disclosure@tech.gov.sg"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve_disclosure@tech.gov.sg",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in davisking dlib (dlib/external/zlib modules). This vulnerability is associated with program files inflate.C.\n\nThis issue affects dlib: before v19.24.9."
    },
    {
      "lang": "es",
      "value": "Escritura fuera de límites, Copia de búfer sin verificar el tamaño de la entrada ('Desbordamiento de búfer clásico') vulnerabilidad en davisking dlib (módulos dlib/external/zlib). Esta vulnerabilidad está asociada con los archivos de programa inflate.C.\n\nEste problema afecta a dlib: antes de la v19.24.9."
    }
  ],
  "lastModified": "2026-06-17T10:23:36.620",
  "sourceIdentifier": "cve_disclosure@tech.gov.sg"
}