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CVE-2021-22207

Status: ModifiedMedium (6.5)—

Excessive memory consumption in MS-WSP dissector in Wireshark 3.4.0 to 3.4.4 and 3.2.0 to 3.2.12 allows denial of service via packet injection or crafted capture file

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 (4)

Debian — Debian LinuxFedoraproject — FedoraOracle — ZFS Storage Appliance KITWireshark — Wireshark

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-22207",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
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          "confidentialityImpact": "NONE"
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        "obtainAllPrivilege": false,
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  "published": "2021-04-23T18:15:08.200",
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      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
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  ],
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    {
      "lang": "en",
      "value": "Excessive memory consumption in MS-WSP dissector in Wireshark 3.4.0 to 3.4.4 and 3.2.0 to 3.2.12 allows denial of service via packet injection or crafted capture file"
    },
    {
      "lang": "es",
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    }
  ],
  "lastModified": "2026-06-17T03:36:48.353",
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}