CVE-2020-27920: Use After Free
libxml2. A use after free issue was addressed with improved memory management.
Other sources
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing maliciously crafted web content may lead to code execution.
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2020-27914
- CVE-2020-27915
- CVE-2020-27903
- CVE-2020-27910
- CVE-2020-27916
- CVE-2020-9943
- CVE-2020-9944
- CVE-2020-27906
- CVE-2020-27945
- CVE-2020-27908
- CVE-2020-27909
- CVE-2020-9960
- CVE-2020-10017
- CVE-2020-9949
- CVE-2020-9897
- CVE-2020-9883
- CVE-2020-10003
- CVE-2020-27922
- CVE-2020-9999
- CVE-2020-27937
- CVE-2020-9965
- CVE-2020-9966
- CVE-2020-27894
- CVE-2020-36615
- CVE-2021-1790
- CVE-2021-1775
- CVE-2020-29629
- CVE-2020-27942
- CVE-2020-9962
- CVE-2020-27952
- CVE-2020-9956
- CVE-2020-27931
- CVE-2020-27930
- CVE-2020-27927
- CVE-2020-29639
- CVE-2020-10002
- CVE-2020-9978
- CVE-2020-9955
- CVE-2020-27924
- CVE-2020-27912
- CVE-2020-27923
- CVE-2020-9876
- CVE-2020-10015
- CVE-2020-27897
- CVE-2020-27907
- CVE-2020-27919
- CVE-2020-9967
- CVE-2020-9975
- CVE-2020-27921
- CVE-2020-27904
- CVE-2019-14899
- CVE-2020-27950
- CVE-2020-9974
- CVE-2020-10016
- CVE-2020-27932
- CVE-2020-27917
- CVE-2020-27920
- CVE-2020-27911
- CVE-2020-9971
- CVE-2020-10014
- CVE-2020-10010
- CVE-2020-9941
- CVE-2020-9988
- CVE-2020-9989
- CVE-2020-10011
- CVE-2020-13524
- CVE-2020-10004
- CVE-2020-9996
- CVE-2020-27901
- CVE-2020-27900
- CVE-2019-20838
- CVE-2020-14155
- CVE-2020-10007
- CVE-2020-27896
- CVE-2020-9963
- CVE-2020-10012
- CVE-2020-10663
- CVE-2020-9945
- CVE-2020-9977
- CVE-2020-9942
- CVE-2020-9987
- CVE-2021-1803
- CVE-2020-9969
- CVE-2020-27893
- CVE-2021-1755
- CVE-2020-10005
- CVE-2020-9991
- CVE-2020-9849
- CVE-2020-15358
- CVE-2020-13631
- CVE-2020-13434
- CVE-2020-13435
- CVE-2020-13630
- CVE-2020-27899
- CVE-2020-10009
- CVE-2020-10008
- CVE-2020-27918
- CVE-2020-9947
- CVE-2020-9950
- CVE-2020-27898
- CVE-2020-27935
- CVE-2020-10006
- CVE-2020-27905
- CVE-2020-27936
- CVE-2020-27941
- CVE-2020-29621
- CVE-2020-29610
- CVE-2020-27948
- CVE-2020-10001
- CVE-2020-27946
- CVE-2020-27943
- CVE-2020-27944
- CVE-2020-29624
- CVE-2020-29608
- CVE-2020-27947
- CVE-2020-29612
- CVE-2020-27939
- CVE-2020-29625
- CVE-2020-29615
- CVE-2020-29616
- CVE-2020-29618
- CVE-2020-29611
- CVE-2020-29617
- CVE-2020-29619
- CVE-2020-27949
- CVE-2020-29620
- CVE-2020-27926
- CVE-2020-29633
- CVE-2020-29614
- CVE-2020-13520
- CVE-2020-9972
- CVE-2020-27938
- CVE-2020-29623
- CVE-2020-15969
- CVE-2020-27925
- CVE-2020-27902
Frequently Asked Questions
What is CVE-2020-27920?
CVE-2020-27920 is a use after free issue in libxml2 that has been addressed with improved memory management.
Which software products are affected by CVE-2020-27920?
The affected software products include Apple iOS up to version 14.2, Apple iPadOS up to version 14.2, Apple tvOS up to version 14.2, Apple macOS Big Sur up to version 11.0.1, Apple watchOS up to version 7.1, Apple Catalina, and Apple Mojave.
How severe is CVE-2020-27920?
The severity of CVE-2020-27920 is not mentioned in the provided information.
How can I fix CVE-2020-27920?
To fix CVE-2020-27920, update your affected software products to the latest available versions as mentioned in the provided links from Apple support.
Where can I find more information about CVE-2020-27920?
You can find more information about CVE-2020-27920 at the following references: [Link 1](https://support.apple.com/en-us/HT211929), [Link 2](https://support.apple.com/en-us/HT211930), [Link 3](https://support.apple.com/en-us/HT212011).