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CVE-2026-15163

Status: AnalyzedHigh (7.5)—

Multiple protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allow denial of service

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).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Vector CVSS AV:N/PR:N/UI:N permite explotación remota sin privilegios (T1190). Los bucles infinitos en disectores de protocolo causan denegación de servicio (T1499).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Affected technologies (1)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2026-15163",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-15163",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-09T13:49:18.560769Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@gitlab.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "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
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "integrityImpact": "NONE",
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          "confidentialityImpact": "NONE"
        },
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  },
  "affected": [
    {
      "source": "cve@gitlab.com",
      "affectedData": [
        {
          "vendor": "Wireshark Foundation",
          "product": "Wireshark",
          "versions": [
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              "status": "affected",
              "version": "4.6.0",
              "lessThan": "4.6.7",
              "versionType": "semver"
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  "published": "2026-07-08T21:16:47.227",
  "references": [
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      "tags": [
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    {
      "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21277",
      "tags": [
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      "source": "cve@gitlab.com"
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      "tags": [
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      "tags": [
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    },
    {
      "url": "https://www.wireshark.org/security/wnpa-sec-2026-61.html",
      "tags": [
        "Vendor Advisory"
      ],
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    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Multiple protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allow denial of service"
    }
  ],
  "lastModified": "2026-07-09T19:56:30.983",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "4.4.17",
              "versionStartIncluding": "4.4.0"
            },
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              "versionStartIncluding": "4.6.0"
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          ],
          "operator": "OR"
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  "sourceIdentifier": "cve@gitlab.com"
}