CVE-2020-3846: Buffer Overflow
libxml2. A buffer overflow was addressed with improved size validation.
Other sources
A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2, iTunes for Windows 12.10.4, iCloud for Windows 11.0, iCloud for Windows 7.17. Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution.
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2020-3857
- CVE-2020-3855
- CVE-2020-3826
- CVE-2020-3870
- CVE-2020-3878
- CVE-2020-3880
- CVE-2020-3837
- CVE-2019-8836
- CVE-2020-3840
- CVE-2020-3875
- CVE-2020-3872
- CVE-2020-3836
- CVE-2020-3842
- CVE-2020-3853
- CVE-2020-3846
- CVE-2020-3856
- CVE-2020-3829
- CVE-2020-3825
- CVE-2020-3868
- CVE-2020-3862
- CVE-2020-3867
- CVE-2020-3865
- CVE-2020-3864
- CVE-2020-3838
- CVE-2020-3877
- CVE-2019-11043
- CVE-2020-3866
- CVE-2020-3848
- CVE-2020-3849
- CVE-2020-3850
- CVE-2020-3847
- CVE-2020-3835
- CVE-2020-3863
- CVE-2020-9774
- CVE-2020-3827
- CVE-2020-3845
- CVE-2020-3851
- CVE-2020-3871
- CVE-2020-3830
- CVE-2020-3854
- CVE-2019-18634
- CVE-2020-3839
- CVE-2020-3843
- CVE-2020-3834
- CVE-2020-3860
- CVE-2019-8827
- CVE-2020-3861
- CVE-2020-3869
- CVE-2020-3858
- CVE-2020-3831
- CVE-2020-3873
- CVE-2020-3859
- CVE-2020-3844
- CVE-2020-3828
- CVE-2020-3841
- CVE-2020-3874
Frequently Asked Questions
What is CVE-2020-3846?
CVE-2020-3846 is a vulnerability in libxml2 that allows for a buffer overflow due to insufficient size validation.
How does CVE-2020-3846 affect Apple tvOS?
CVE-2020-3846 affects Apple tvOS versions up to and excluding 13.3.1.
How does CVE-2020-3846 affect Apple watchOS?
CVE-2020-3846 affects Apple watchOS versions up to and excluding 6.1.2.
What is the remedy for CVE-2020-3846 in Apple software?
The remedy for CVE-2020-3846 in Apple software is to update to the specified fixed versions: Apple tvOS 13.3.1, Apple watchOS 6.1.2, Apple iTunes for Windows 12.10.4, Apple iCloud for Windows 7.17, Apple iOS 13.3.1, Apple iPadOS 13.3.1, Apple macOS Catalina 10.15.3.
Where can I find more information about CVE-2020-3846?
You can find more information about CVE-2020-3846 on the Apple support website at the following links: [link1], [link2], [link3].