CVE-2021-30919: Apple macOS CoreGraphics PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Published Aug 24, 2021
·
Updated

CoreGraphics. An out-of-bounds write was addressed with improved input validation.

Credit

Apple, CVE-2021-30919

Affected Software

28 affected componentsFixes available
Apple macOS Big Sur<11.6.1
11.6.1
Apple tvOS<15.1
15.1
Apple Catalina
Apple WatchOS<8.1
8.1
Apple macOS Monterey<12.0.1
12.0.1
Apple macOS
Apple iOS<14.8.1
14.8.1
Apple iPadOS<14.8.1
14.8.1
Apple iOS<15.1
15.1
Apple iPadOS<15.1
15.1
Apple Ipad Os<14.8.1
Apple iPadOS=15.0
Apple iPhone OS<14.8.1
Apple iPhone OS=15.0
Apple iOS and macOS<10.15.7
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2021-001
Apple iOS and macOS=10.15.7-security_update_2021-002
Apple iOS and macOS=10.15.7-security_update_2021-003
Apple iOS and macOS=10.15.7-security_update_2021-004
Apple iOS and macOS=10.15.7-security_update_2021-005
Apple iOS and macOS=10.15.7-security_update_2021-006
Apple iOS and macOS=10.15.7-supplemental_update
Apple macOS>=11.0<11.6.1
Apple macOS=12.0
Apple tvOS<15.1
Apple WatchOS<8.1

Event History

Aug 24, 2021
CVE Published
via MITRE·06:50 PM
Data Sourced
via MITRE·06:50 PM
DescriptionWeakness
Mar 24, 2025
Advisory Published
via ZDI·11:02 PM
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Frequently Asked Questions

1

What is CVE-2021-30919?

CVE-2021-30919 is a vulnerability in CoreGraphics that allows an attacker to perform an out-of-bounds write through improved input validation.

2

Who is affected by CVE-2021-30919?

CVE-2021-30919 affects Apple Catalina, Apple macOS Big Sur, Apple iOS, Apple iPadOS, Apple macOS Monterey, Apple iOS, Apple iPadOS, Apple tvOS, and Apple watchOS.

3

How can I fix CVE-2021-30919?

To fix CVE-2021-30919, update to the recommended versions of Apple Catalina, Apple macOS Big Sur, Apple iOS, Apple iPadOS, Apple macOS Monterey, Apple iOS, Apple iPadOS, Apple tvOS, and Apple watchOS.

4

What is the severity of CVE-2021-30919?

The severity of CVE-2021-30919 is not specified in the provided information.

5

Where can I find more information about CVE-2021-30919?

More information about CVE-2021-30919 can be found at the following references: [Link 1](https://support.apple.com/en-us/HT212867), [Link 2](https://support.apple.com/en-us/HT212871), [Link 3](https://support.apple.com/en-us/HT212874).

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