CVE-2020-9949 - A use after free issue was addressed with improved memory management

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HIGH

A use after free issue was addressed with improved memory management

Published Dec 8, 2020

7.8

HIGH

CVSS 3.1

EPSS 1.50%

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra, tvOS 14.0. An application may be able to execute arbitrary code with kernel privileges.

Affected products

Vendor Apple Product macOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <10.15
- Version
  unspecified
  Status
  affected
  Constraints
  <11.0
- Version
  unspecified
  Status
  affected
  Constraints
  <14.0
- Version
  unspecified
  Status
  affected
  Constraints
  <7.0

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

macOS

n/a

Version	Status	Constraints
unspecified	affected	<10.15
unspecified	affected	<11.0
unspecified	affected	<14.0
unspecified	affected	<7.0

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-416

Use After Free

References (6)

http://seclists.org/fulldisclosure/2020/Dec/32
mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
https://support.apple.com/en-us/HT211289
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT211843
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT211844
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT211850
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT211931
x_refsource_MISCRelease NotesVendor Advisory

Link	Providers	Tags
http://seclists.org/fulldisclosure/2020/Dec/32		mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
https://support.apple.com/en-us/HT211289		x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT211843		x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT211844		x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT211850		x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT211931		x_refsource_MISCRelease NotesVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner apple

Published Dec 8, 2020

Updated Aug 4, 2024

Reserved Mar 2, 2020

Link CVE-2020-9949

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2020-9949

Red Hat

Severity n/a

Public date n/a

Links CVE-2020-9949