CVE-2026-15173
Full vulnerability record from the local CVENow database.
Description
pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of service
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-08 21:16:48.203000
Last modified
2026-10-25 17:10:00.197000
View original CVE JSON
{
"id": "CVE-2026-15173",
"sourceIdentifier": "[email protected]",
"published": "2026-07-08T21:16:48.203",
"lastModified": "2026-10-25T17:10:00.197",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of service"
},
{
"lang": "es",
"value": "Fallo del analizador de archivos pcapng en Wireshark 4.6.0 a 4.6.6 permite denegación de servicio"
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Wireshark Foundation",
"product": "Wireshark",
"defaultStatus": "unaffected",
"versions": [
{
"version": "4.6.0",
"lessThan": "4.6.7",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"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
},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-09T13:44:18.595204Z",
"id": "CVE-2026-15173",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-122"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.6.0",
"versionEndExcluding": "4.6.7",
"matchCriteriaId": "D7FEEC76-5F0F-4206-830C-4DF78953646B"
}
]
}
]
}
],
"references": [
{
"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21285",
"source": "[email protected]",
"tags": [
"Issue Tracking",
"Third Party Advisory"
]
},
{
"url": "https://www.wireshark.org/security/wnpa-sec-2026-53.html",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
},
{
"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21285",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"Issue Tracking",
"Third Party Advisory"
]
}
]
}