Vulnerability-Lookup

GHSA-6FX5-R2FX-FJCR

Vulnerability from github – Published: 2026-01-14 21:34 – Updated: 2026-01-14 21:34

Details

HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service

Severity ?

4.7 (Medium)


                  
                    CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-0960"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-835"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-14T21:15:52Z",
    "severity": "MODERATE"
  },
  "details": "HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service",
  "id": "GHSA-6fx5-r2fx-fjcr",
  "modified": "2026-01-14T21:34:10Z",
  "published": "2026-01-14T21:34:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0960"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/wireshark/wireshark/-/issues/20944"
    },
    {
      "type": "WEB",
      "url": "https://www.wireshark.org/security/wnpa-sec-2026-04.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-0960 (GCVE-0-2026-0960)

Vulnerability from cvelistv5 – Published: 2026-01-14 20:23 – Updated: 2026-01-14 21:15

Title

Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

Summary

HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service

Severity ?

4.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE

CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Assigner

GitLab

References

URL

Tags

	https://www.wireshark.org/security/wnpa-sec-2026-…
	https://gitlab.com/wireshark/wireshark/-/issues/20944	issue-trackingpermissions-required

Impacted products

	Vendor	Product	Version
	Wireshark Foundation	Wireshark	Affected: 4.6.0 , < 4.6.3 (semver)

Credits

Tom Needham

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-0960",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-14T21:15:29.789821Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-14T21:15:57.975Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Wireshark",
          "vendor": "Wireshark Foundation",
          "versions": [
            {
              "lessThan": "4.6.3",
              "status": "affected",
              "version": "4.6.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Tom Needham"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-835",
              "description": "CWE-835: Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-14T20:23:33.849Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "url": "https://www.wireshark.org/security/wnpa-sec-2026-04.html"
        },
        {
          "name": "GitLab Issue #20944",
          "tags": [
            "issue-tracking",
            "permissions-required"
          ],
          "url": "https://gitlab.com/wireshark/wireshark/-/issues/20944"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to version 4.6.3 or above"
        }
      ],
      "title": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027) in Wireshark"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2026-0960",
    "datePublished": "2026-01-14T20:23:33.849Z",
    "dateReserved": "2026-01-14T20:14:02.922Z",
    "dateUpdated": "2026-01-14T21:15:57.975Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-6FX5-R2FX-FJCR

CVE-2026-0960 (GCVE-0-2026-0960)

Tags

Sightings

Nomenclature