CVE-2026-28872
Full vulnerability record from the local CVENow database.
Description
A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. A remote attacker may be able to cause a denial-of-service.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-05-11 21:18:51.977000
Last modified
2026-10-26 18:10:00.173000
View original CVE JSON
{
"id": "CVE-2026-28872",
"sourceIdentifier": "[email protected]",
"published": "2026-05-11T21:18:51.977",
"lastModified": "2026-10-26T18:10:00.173",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
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"lang": "en",
"value": "A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. A remote attacker may be able to cause a denial-of-service."
},
{
"lang": "es",
"value": "Se abordó un problema de agotamiento de recursos con una validación de entrada mejorada. Este problema está solucionado en iOS 18.7.9 y iPadOS 18.7.9, iOS 26.4 y iPadOS 26.4. Un atacante remoto podría causar una denegación de servicio."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Apple",
"product": "iOS and iPadOS",
"versions": [
{
"version": "0",
"lessThan": "18.7.9",
"versionType": "custom",
"status": "affected"
},
{
"version": "0",
"lessThan": "26.4",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
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"type": "Secondary",
"cvssData": {
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"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": [
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"id": "CVE-2026-28872",
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"automatable": "yes"
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{
"technicalImpact": "partial"
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"role": "CISA Coordinator",
"version": "2.0.3"
}
}
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},
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"configurations": [
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"nodes": [
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"negate": false,
"cpeMatch": [
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"references": [
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"url": "https://support.apple.com/en-us/126792",
"source": "[email protected]",
"tags": [
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},
{
"url": "https://support.apple.com/en-us/127111",
"source": "[email protected]",
"tags": [
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}