CVE-2020-9955 - An out-of-bounds write issue was addressed with improved bounds checking

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HIGH

An out-of-bounds write issue was addressed with improved bounds checking

Published Apr 2, 2021

7.8

HIGH

CVSS 3.1

EPSS 1.01%

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0, macOS Big Sur 11.0.1. Processing a maliciously crafted image may lead to arbitrary code execution.

Affected products

Vendor Apple Product iOS and iPadOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <14.0
Vendor Apple Product macOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <11.0
Vendor Apple Product tvOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <14.0
Vendor Apple Product watchOS Default
n/a
- 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

iOS and iPadOS

n/a

Version	Status	Constraints
unspecified	affected	<14.0

Apple

macOS

n/a

Version	Status	Constraints
unspecified	affected	<11.0

Apple

tvOS

n/a

Version	Status	Constraints
unspecified	affected	<14.0

Apple

watchOS

n/a

Version	Status	Constraints
unspecified	affected	<7.0

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-787

Out-of-bounds Write

References (5)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-30734
Advisory
https://support.apple.com/en-us/HT211843
x_refsource_MISCVendor Advisory
https://support.apple.com/en-us/HT211844
x_refsource_MISCVendor Advisory
https://support.apple.com/en-us/HT211850
x_refsource_MISCVendor Advisory
https://support.apple.com/en-us/HT211931
x_refsource_MISCVendor Advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-30734		Advisory
https://support.apple.com/en-us/HT211843		x_refsource_MISCVendor Advisory
https://support.apple.com/en-us/HT211844		x_refsource_MISCVendor Advisory
https://support.apple.com/en-us/HT211850		x_refsource_MISCVendor Advisory
https://support.apple.com/en-us/HT211931		x_refsource_MISCVendor Advisory