CVE-2026-15163
Full vulnerability record from the local CVENow database.
Description
Multiple protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allow denial of service
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-08 21:16:47.227000
Last modified
2026-10-25 17:10:00.197000
View original CVE JSON
{
"id": "CVE-2026-15163",
"sourceIdentifier": "[email protected]",
"published": "2026-07-08T21:16:47.227",
"lastModified": "2026-10-25T17:10:00.197",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Multiple protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allow denial of service"
},
{
"lang": "es",
"value": "Múltiples bucles infinitos en el disector de protocolo en Wireshark 4.6.0 a 4.6.6 y 4.4.0 a 4.4.16 permiten la 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"
},
{
"version": "4.4.0",
"lessThan": "4.4.17",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"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
},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-09T13:49:18.560769Z",
"id": "CVE-2026-15163",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-835"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.4.0",
"versionEndExcluding": "4.4.17",
"matchCriteriaId": "B9FABA5D-7249-44A2-BF12-18AFBCA61C17"
},
{
"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/21275",
"source": "[email protected]",
"tags": [
"Issue Tracking"
]
},
{
"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21277",
"source": "[email protected]",
"tags": [
"Issue Tracking"
]
},
{
"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21330",
"source": "[email protected]",
"tags": [
"Issue Tracking"
]
},
{
"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21383",
"source": "[email protected]",
"tags": [
"Issue Tracking"
]
},
{
"url": "https://www.wireshark.org/security/wnpa-sec-2026-61.html",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}