Home/CVE/A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, iOS 1
CVE

CVE-2020-9996

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, iOS 1

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0. A malicious application may be able to elevate privileges.

HIGH · CVSS 7.8 EPSS 0.0031
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

3
apple ipados< 14.0
apple iphone os< 14.0
apple mac os x< 11.0.1
▣

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 NVD08 Dec 2020 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2020/Dec/32Mailing ListThird Party Advisory
https://support.apple.com/en-us/HT211850Vendor Advisory
https://support.apple.com/en-us/HT211931Vendor Advisory
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