Home/CVE/An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security
CVE

CVE-2020-27924

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing a maliciously crafted image may lead to arbitrary code execution.

HIGH · CVSS 7.8 EPSS 0.00413
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

6
apple mac os x< 11.1.0
apple ipados< 14.2
apple iphone os< 14.2
apple mac os x< 11.0.1
apple tvos< 14.2
apple watchos< 7.1
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Apr 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.apple.com/en-us/HT211928Vendor Advisory
https://support.apple.com/en-us/HT211929Vendor Advisory
https://support.apple.com/en-us/HT211930Vendor Advisory
https://support.apple.com/en-us/HT211931Vendor Advisory
https://support.apple.com/en-us/HT212011Vendor Advisory
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