CVE-2026-3202 (GCVE-0-2026-3202)
Vulnerability from cvelistv5 – Published: 2026-02-25 14:35 – Updated: 2026-02-25 14:35
VLAI?
Title
NULL Pointer Dereference in Wireshark
Summary
NTS-KE protocol dissector crash in Wireshark 4.6.0 to 4.6.3 allows denial of service
Severity ?
4.7 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wireshark Foundation | Wireshark |
Affected:
4.6.0 , < 4.6.4
(semver)
|
{
"containers": {
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{
"defaultStatus": "unaffected",
"product": "Wireshark",
"vendor": "Wireshark Foundation",
"versions": [
{
"lessThan": "4.6.4",
"status": "affected",
"version": "4.6.0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "NTS-KE protocol dissector crash in Wireshark 4.6.0 to 4.6.3 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-476",
"description": "CWE-476: NULL Pointer Dereference",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-25T14:35:55.986Z",
"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"shortName": "GitLab"
},
"references": [
{
"url": "https://www.wireshark.org/security/wnpa-sec-2026-06.html"
},
{
"name": "GitLab Issue #21000",
"tags": [
"issue-tracking",
"permissions-required"
],
"url": "https://gitlab.com/wireshark/wireshark/-/issues/21000"
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to version 4.6.4 or above"
}
],
"title": "NULL Pointer Dereference in Wireshark"
}
},
"cveMetadata": {
"assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"assignerShortName": "GitLab",
"cveId": "CVE-2026-3202",
"datePublished": "2026-02-25T14:35:55.986Z",
"dateReserved": "2026-02-25T14:35:41.047Z",
"dateUpdated": "2026-02-25T14:35:55.986Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-3202\",\"sourceIdentifier\":\"cve@gitlab.com\",\"published\":\"2026-02-25T15:20:55.790\",\"lastModified\":\"2026-02-25T15:22:44.317\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"NTS-KE protocol dissector crash in Wireshark 4.6.0 to 4.6.3 allows denial of service\"}],\"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:N/I:N/A:H\",\"baseScore\":4.7,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.0,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"references\":[{\"url\":\"https://gitlab.com/wireshark/wireshark/-/issues/21000\",\"source\":\"cve@gitlab.com\"},{\"url\":\"https://www.wireshark.org/security/wnpa-sec-2026-06.html\",\"source\":\"cve@gitlab.com\"}]}}"
}
}
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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.
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