CVE-2026-7376 (GCVE-0-2026-7376)

Vulnerability from cvelistv5 – Published: 2026-04-30 05:04 – Updated: 2026-04-30 05:04
VLAI?
Title
NULL Pointer Dereference in Wireshark
Summary
Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Wireshark Foundation Wireshark Affected: 4.6.0 , < 4.6.5 (semver)
Affected: 4.4.0 , < 4.4.15 (semver)
Create a notification for this product.
Credits
Alexandre de Oliveira
Show details on NVD website
To clipboard 

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            },
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
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          },
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          "scenarios": [
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            }
          ]
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
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              "description": "CWE-476: NULL Pointer Dereference",
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              "type": "CWE"
            }
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      "providerMetadata": {
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      "references": [
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          "url": "https://www.wireshark.org/security/wnpa-sec-2026-48.html"
        },
        {
          "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21206"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to version 4.6.5 or above"
        }
      ],
      "title": "NULL Pointer Dereference in Wireshark"
    }
  },
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    "assignerShortName": "GitLab",
    "cveId": "CVE-2026-7376",
    "datePublished": "2026-04-30T05:04:10.614Z",
    "dateReserved": "2026-04-29T07:34:06.177Z",
    "dateUpdated": "2026-04-30T05:04:10.614Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
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      "date": "2026-05-06",
      "epss": "0.0002",
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  }
}


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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

Author Source Type Date Other

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.