CVE-2021-30842
First published: Mon Sep 13 2021(Updated: )
FontParser. This issue was addressed with improved checks.
Credit: Xingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security LightXingwei Lin Ant Security Light product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple watchOS | <8 | 8 |
| Apple iPadOS | <14.8 | |
| Apple iPhone OS | <14.8 | |
| Apple Mac OS X | >=10.15<=10.15.6 | |
| Apple Mac OS X | =10.15.7 | |
| Apple Mac OS X | =10.15.7-security_update_2020 | |
| Apple Mac OS X | =10.15.7-security_update_2020-001 | |
| Apple Mac OS X | =10.15.7-security_update_2020-005 | |
| Apple Mac OS X | =10.15.7-security_update_2020-007 | |
| Apple Mac OS X | =10.15.7-security_update_2021-001 | |
| Apple Mac OS X | =10.15.7-security_update_2021-002 | |
| Apple Mac OS X | =10.15.7-security_update_2021-003 | |
| Apple Mac OS X | =10.15.7-security_update_2021-004 | |
| Apple Mac OS X | =10.15.7-supplemental_update | |
| Apple macOS | >=11.0<11.6 | |
| Apple tvOS | <15.0 | |
| Apple watchOS | <8.0 |
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Reference Links
- https://support.apple.com/en-us/HT212804 (Advisory)
- https://support.apple.com/en-us/HT212805 (Advisory)
- https://support.apple.com/en-us/HT212807 (Advisory)
- https://support.apple.com/en-us/HT212814 (Advisory)
- https://support.apple.com/en-us/HT212815 (Advisory)
- https://support.apple.com/en-us/HT212819 (Advisory)
- http://seclists.org/fulldisclosure/2021/Oct/61
- http://seclists.org/fulldisclosure/2021/Oct/62
- http://seclists.org/fulldisclosure/2021/Oct/63
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-30811
- CVE-2021-30838
- CVE-2021-30834
- CVE-2021-30928
- CVE-2021-30860
- CVE-2021-31010
- CVE-2021-30827
- CVE-2021-30828
- CVE-2021-30829
- CVE-2021-22925
- CVE-2021-30832
- CVE-2021-30841
- CVE-2021-30842
- CVE-2021-30843
- CVE-2021-30853
- CVE-2021-30933
- CVE-2021-30835
- CVE-2021-30847
- CVE-2021-30830
- CVE-2021-30865
- CVE-2021-30857
- CVE-2021-30859
- CVE-2021-30864
- CVE-2013-0340
- CVE-2021-30813
- CVE-2021-30819
- CVE-2021-30855
- CVE-2021-30925
- CVE-2021-30850
- CVE-2021-30845
- CVE-2021-30844
- CVE-2021-30858
- CVE-2021-30783
- CVE-2020-29622
- CVE-2021-30713
- CVE-2021-30820
- CVE-2021-30905
- CVE-2021-30852
- CVE-2021-30826
- CVE-2021-30818
- CVE-2021-30823
- CVE-2021-30836
- CVE-2021-30848
- CVE-2021-30849
- CVE-2021-30846
- CVE-2021-30837
- CVE-2021-30866
- CVE-2021-30825
- CVE-2021-30863
- CVE-2021-30816
- CVE-2021-30882
- CVE-2021-30831
- CVE-2021-30840
- CVE-2021-30867
- CVE-2021-30814
- CVE-2021-30874
- CVE-2021-30854
- CVE-2021-30898
- CVE-2021-30870
- CVE-2021-30808
- CVE-2021-30815
- CVE-2021-31001
- CVE-2021-31005
- CVE-2021-31008
- CVE-2021-30897
- CVE-2021-30884
- CVE-2021-30809
- CVE-2021-30851
- CVE-2021-30930
- CVE-2021-30810
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID of this issue is CVE-2021-30842.
Which software versions are affected by this vulnerability?
watchOS up to version 8, iOS up to version 15, iPadOS up to version 15, macOS Big Sur up to version 11.6, iOS up to version 14.8, iPadOS up to version 14.8, and tvOS up to version 15.
What is the severity of CVE-2021-30842?
The severity of CVE-2021-30842 is not specified.
How was the vulnerability addressed?
The vulnerability was addressed with improved checks.
Where can I find more information about this vulnerability?
You can find more information about this vulnerability on the following Apple support pages: [link1](https://support.apple.com/en-us/HT212814), [link2](https://support.apple.com/en-us/HT212804), [link3](https://support.apple.com/en-us/HT212819).
- agent/author
- agent/description
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/references
- agent/severity
- agent/softwarecombine
- agent/tags
- agent/type
- collector/apple-support
- alias/CVE-2021-30842
- alias/CVE-2021-30843
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/apple
- canonical/apple macos big sur
- canonical/apple catalina
- canonical/apple ios
- canonical/apple ipados
- canonical/apple tvos
- canonical/apple watchos
- canonical/apple iphone os
- canonical/apple mac os x
- version/apple mac os x/10.15
- version/apple mac os x/10.15.6
- version/apple mac os x/10.15.7
- version/apple mac os x/10.15.7-security_update_2020
- version/apple mac os x/10.15.7-security_update_2020-001
- version/apple mac os x/10.15.7-security_update_2020-005
- version/apple mac os x/10.15.7-security_update_2020-007
- version/apple mac os x/10.15.7-security_update_2021-001
- version/apple mac os x/10.15.7-security_update_2021-002
- version/apple mac os x/10.15.7-security_update_2021-003
- version/apple mac os x/10.15.7-security_update_2021-004
- version/apple mac os x/10.15.7-supplemental_update
- canonical/apple macos
- version/apple macos/11.0