CVE-2020-27944: Input Validation
First published: Mon Dec 14 2020(Updated: )
A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted font file may lead to arbitrary code execution.
Credit: Mateusz Jurczyk Google Project ZeroMateusz Jurczyk Google Project ZeroMateusz Jurczyk Google Project ZeroMateusz Jurczyk Google Project ZeroMateusz Jurczyk Google Project ZeroMateusz Jurczyk Google Project ZeroMateusz Jurczyk Google Project ZeroMateusz Jurczyk Google Project ZeroMateusz Jurczyk Google Project ZeroApple Mateusz Jurczyk Google Project ZeroMateusz Jurczyk Google Project ZeroMateusz Jurczyk Google Project Zero product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple macOS Big Sur | <11.1 | 11.1 |
| Apple Catalina | ||
| Apple Mojave | ||
| Apple watchOS | <7.2 | 7.2 |
| Apple tvOS | <14.3 | 14.3 |
| Apple iOS | <14.3 | 14.3 |
| Apple iPadOS | <14.3 | 14.3 |
| Apple Ipad Os | <14.3 | |
| Apple iPhone OS | <14.3 | |
| Apple macOS | <11.1.0 | |
| Apple tvOS | <14.3 | |
| Apple watchOS | <7.2 |
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Reference Links
- https://support.apple.com/en-us/HT212003 (Advisory)
- https://support.apple.com/en-us/HT212005 (Advisory)
- https://support.apple.com/en-us/HT212009 (Advisory)
- https://support.apple.com/en-us/HT212011 (Advisory)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2020-27914
- CVE-2020-27915
- CVE-2020-27936
- CVE-2020-27903
- CVE-2020-27941
- CVE-2020-29621
- CVE-2020-29610
- CVE-2020-27910
- CVE-2020-9943
- CVE-2020-9944
- CVE-2020-27916
- CVE-2020-27906
- CVE-2020-27948
- CVE-2020-27908
- CVE-2020-9960
- CVE-2020-10017
- CVE-2020-27922
- CVE-2020-10001
- CVE-2020-27946
- CVE-2020-9962
- CVE-2020-27952
- CVE-2020-9956
- CVE-2020-27931
- CVE-2020-27943
- CVE-2020-27944
- CVE-2020-29624
- CVE-2020-29608
- CVE-2020-10002
- CVE-2020-27947
- CVE-2020-29612
- CVE-2020-9978
- CVE-2020-27939
- CVE-2020-29625
- CVE-2020-29615
- CVE-2020-29616
- CVE-2020-27924
- CVE-2020-29618
- CVE-2020-29611
- CVE-2020-29617
- CVE-2020-29619
- CVE-2020-27912
- CVE-2020-27923
- CVE-2020-27919
- CVE-2020-10015
- CVE-2020-27897
- CVE-2020-27907
- CVE-2020-9974
- CVE-2020-10016
- CVE-2020-9967
- CVE-2020-9975
- CVE-2020-27921
- CVE-2020-27949
- CVE-2020-29620
- CVE-2020-27911
- CVE-2020-27920
- CVE-2020-27926
- CVE-2020-10014
- CVE-2020-10010
- CVE-2020-29633
- CVE-2020-29614
- CVE-2020-13520
- CVE-2020-9972
- CVE-2020-13524
- CVE-2020-10004
- CVE-2020-27901
- CVE-2020-27938
- CVE-2020-10007
- CVE-2020-10012
- CVE-2020-27896
- CVE-2020-10009
- CVE-2020-29623
- CVE-2020-15969
- CVE-2020-27898
- CVE-2020-27951
- CVE-2021-31077
- CVE-2020-29613
Frequently Asked Questions
What is CVE-2020-27944?
CVE-2020-27944 is a memory corruption issue in the processing of font files in Apple iOS, iPadOS, tvOS, macOS Big Sur, Catalina, Mojave, and watchOS.
How severe is CVE-2020-27944?
CVE-2020-27944 has a severity rating of high.
Which products and versions are affected by CVE-2020-27944?
CVE-2020-27944 affects Apple iOS up to version 14.3, iPadOS up to version 14.3, tvOS up to version 14.3, macOS Big Sur up to version 11.1, Catalina, Mojave, and watchOS up to version 7.2.
How can I fix CVE-2020-27944?
To fix CVE-2020-27944, update your Apple device to the latest available version of iOS, iPadOS, tvOS, macOS Big Sur, Catalina, Mojave, or watchOS, depending on the affected product.
Where can I find more information about CVE-2020-27944?
You can find more information about CVE-2020-27944 on the Apple support page: [CVE-2020-27944](https://support.apple.com/en-us/HT212009).
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- canonical/apple mojave
- canonical/apple watchos
- canonical/apple tvos
- canonical/apple ios
- canonical/apple ipados
- canonical/apple ipad os
- canonical/apple iphone os
- canonical/apple macos