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Icloud CVE-2019-8750

CRITICAL
Out-of-bounds Write (CWE-787)
2019-12-18 product-security@apple.com
Buffer Overflow Microsoft Apple Memory Corruption Icloud Watchos
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Dec 18, 2019 - 18:15 nvd
CRITICAL 9.8

DescriptionNVD

Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in watchOS 6.1, iCloud for Windows 11.0. Multiple issues in libxslt.

AnalysisAI

Multiple memory corruption issues were addressed with improved input validation. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in watchOS 6.1, iCloud for Windows 11.0. Multiple issues in libxslt. Affected products include: Apple Icloud, Apple Watchos.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

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CVE-2019-8750 vulnerability details – vuln.today
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