CVE-2020-9863 - A memory initialization issue was addressed with improved memory handling

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HIGH

A memory initialization issue was addressed with improved memory handling

Published Oct 22, 2020

7.8

HIGH

CVSS 3.1

EPSS 1.37%

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. An application may be able to execute arbitrary code with kernel privileges.

Affected products

Vendor Apple Product iOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <iOS 13.6 and iPadOS 13.6
Vendor Apple Product macOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <macOS Catalina 10.15.6
Vendor Apple Product tvOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <tvOS 13.4.8
Vendor Apple Product watchOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <watchOS 6.2.8

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Apple

iOS

n/a

Version	Status	Constraints
unspecified	affected	<iOS 13.6 and iPadOS 13.6

Apple

macOS

n/a

Version	Status	Constraints
unspecified	affected	<macOS Catalina 10.15.6

Apple

tvOS

n/a

Version	Status	Constraints
unspecified	affected	<tvOS 13.4.8

Apple

watchOS

n/a

Version	Status	Constraints
unspecified	affected	<watchOS 6.2.8

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-665

References (4)

https://support.apple.com/kb/HT211288
x_refsource_MISCVendor Advisory
https://support.apple.com/kb/HT211289
x_refsource_MISCVendor Advisory
https://support.apple.com/kb/HT211290
x_refsource_MISCVendor Advisory
https://support.apple.com/kb/HT211291
x_refsource_MISCVendor Advisory

Link	Providers	Tags
https://support.apple.com/kb/HT211288		x_refsource_MISCVendor Advisory
https://support.apple.com/kb/HT211289		x_refsource_MISCVendor Advisory
https://support.apple.com/kb/HT211290		x_refsource_MISCVendor Advisory
https://support.apple.com/kb/HT211291		x_refsource_MISCVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner apple

Published Oct 22, 2020

Updated Aug 4, 2024

Reserved Mar 2, 2020

Link CVE-2020-9863

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2020-9863

Red Hat

Severity n/a

Public date n/a

Links CVE-2020-9863