Out-of-bounds Write Issue in Apple iOS, macOS, and iCloud Products
CVE-2020-9936

7.8HIGH

Key Information:

Vendor

Apple
Status
iOS
Mac OS
TV OS
Watch OS
Vendor
CVE Published:
16 October 2020

What is CVE-2020-9936?

An out-of-bounds write flaw has been identified that occurs during the processing of specially crafted images, potentially allowing an attacker to execute arbitrary code. This critical issue has been rectified in recent updates including iOS 13.6, iPadOS 13.6, and other Apple products, which now feature enhanced bounds checking mechanisms. Users are strongly advised to update their devices to mitigate this risk.

Affected Version(s)

iCloud for Windows < unspecified

iCloud for Windows (Legacy) < unspecified

iOS < unspecified

References

https://support.apple.com/HT211289
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https://support.apple.com/HT211288
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https://support.apple.com/HT211290
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CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.