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vuln-cve/data/2021/4xxx/CVE-2021-4186.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"state": "PUBLISHED",
"cveId": "CVE-2021-4186",
"assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"assignerShortName": "GitLab",
"dateUpdated": "2025-11-03T21:45:19.809Z",
"dateReserved": "2021-12-27T00:00:00.000Z",
"datePublished": "2021-12-30T00:00:00.000Z"
},
"containers": {
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"dateUpdated": "2022-10-16T00:00:00.000Z"
},
"descriptions": [
{
"lang": "en",
"value": "Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file"
}
],
"affected": [
{
"vendor": "Wireshark Foundation",
"product": "Wireshark",
"versions": [
{
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"status": "affected"
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],
"references": [
{
"url": "https://www.wireshark.org/security/wnpa-sec-2021-16.html"
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{
"url": "https://gitlab.com/wireshark/wireshark/-/issues/17737"
},
{
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{
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"tags": [
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],
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{
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"metrics": [
{
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "LOW",
"baseScore": 6.3,
"baseSeverity": "MEDIUM"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"type": "text",
"lang": "en",
"description": "Null pointer dereference in Wireshark"
}
]
}
]
},
"adp": [
{
"title": "CVE Program Container",
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]
}
}