CVE-2026-15168 (GCVE-0-2026-15168)

Vulnerability from cvelistv5 – Published: 2026-07-08 21:47 – Updated: 2026-07-08 21:47
VLAI
Title
Use of Uninitialized Variable in Wireshark
Summary
BLF file parser in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows possible information disclosure
Severity
2.5 (Low)
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
CWE
  • CWE-457 - Use of Uninitialized Variable
Assigner
References
Impacted products
Vendor Product Version
Wireshark Foundation Wireshark Affected: 4.6.0 , < 4.6.7 (semver)
Affected: 4.4.0 , < 4.4.17 (semver)
Create a notification for this product.
Credits
Thai Duong Tran
Show details on NVD website
To clipboard 

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        {
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          "vendor": "Wireshark Foundation",
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              "status": "affected",
              "version": "4.6.0",
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            },
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              "status": "affected",
              "version": "4.4.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thai Duong Tran"
        }
      ],
      "descriptions": [
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          "value": "BLF file parser in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows possible information disclosure"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 2.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-457",
              "description": "CWE-457: Use of Uninitialized Variable",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-08T21:47:19.856Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "url": "https://www.wireshark.org/security/wnpa-sec-2026-60.html"
        },
        {
          "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21361"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to version 4.6.7 or above"
        }
      ],
      "title": "Use of Uninitialized Variable in Wireshark"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2026-15168",
    "datePublished": "2026-07-08T21:47:19.856Z",
    "dateReserved": "2026-07-08T20:45:38.879Z",
    "dateUpdated": "2026-07-08T21:47:19.856Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-15168\",\"sourceIdentifier\":\"cve@gitlab.com\",\"published\":\"2026-07-08T22:17:13.717\",\"lastModified\":\"2026-07-08T22:17:13.717\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"BLF file parser in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows possible information disclosure\"}],\"affected\":[{\"source\":\"cve@gitlab.com\",\"affectedData\":[{\"vendor\":\"Wireshark Foundation\",\"product\":\"Wireshark\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"4.6.0\",\"lessThan\":\"4.6.7\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"4.4.0\",\"lessThan\":\"4.4.17\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N\",\"baseScore\":2.5,\"baseSeverity\":\"LOW\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.0,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-457\"}]}],\"references\":[{\"url\":\"https://gitlab.com/wireshark/wireshark/-/work_items/21361\",\"source\":\"cve@gitlab.com\"},{\"url\":\"https://www.wireshark.org/security/wnpa-sec-2026-60.html\",\"source\":\"cve@gitlab.com\"}]}}"
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.