CVE-2019-8558
Estado: ModificadaAlta (8.8)—💥 Exploit
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 7.54%
- Percentil entre todas las CVEs puntuadas: 94
- Fecha de la puntuación: 7/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
💥 Exploits públicos
Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.
- Publicado en Exploit-DB · WebKit JavaScriptCore - CodeBlock Dangling Watchpoints Use-After-Free (3/4/2019)
Tecnologías afectadas (6)
CWE
- CWE-787
Referencias
- https://support.apple.com/HT209599
- https://support.apple.com/HT209601
- https://support.apple.com/HT209602
- https://support.apple.com/HT209603
- https://support.apple.com/HT209604
- https://support.apple.com/HT209605
- https://support.apple.com/HT209599
- https://support.apple.com/HT209601
- https://support.apple.com/HT209602
- https://support.apple.com/HT209603
- https://support.apple.com/HT209604
- https://support.apple.com/HT209605
JSON original (NVD)
Mostrar
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"id": "CVE-2019-8558",
"cveTags": [],
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"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
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"affected": [
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"affectedData": [
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"published": "2019-12-18T18:15:26.037",
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"tags": [
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"weaknesses": [
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"source": "nvd@nist.gov",
"description": [
{
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"value": "CWE-787"
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"value": "Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution."
},
{
"lang": "es",
"value": "Múltiples problemas de corrupción de memoria fueron abordados mejorando el manejo de la memoria. Este problema es corregido en iOS versión 12.2, tvOS versión 12.2, watchOS versión 5.2, Safari versión 12.1, iTunes versión 12.9.4 para Windows, iCloud para Windows versión 7.11. El procesamiento de contenido web diseñado maliciosamente puede conllevar a una ejecución de código arbitrario."
}
],
"lastModified": "2026-06-17T02:42:09.300",
"configurations": [
{
"nodes": [
{
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"sourceIdentifier": "product-security@apple.com"
}