CVE-2020-3863: Critical severity macos catalina vulnerability
crontab. A memory corruption issue was addressed with improved memory handling.
Other sources
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra. An application may be able to execute arbitrary code with system privileges.
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2020-3877
- CVE-2019-11043
- CVE-2020-3857
- 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-2020-3826
- CVE-2020-3870
- CVE-2020-3878
- CVE-2020-3880
- CVE-2020-3845
- CVE-2020-3837
- CVE-2020-3851
- CVE-2020-3840
- CVE-2020-3875
- CVE-2020-3872
- CVE-2020-3853
- CVE-2020-3836
- CVE-2020-3842
- CVE-2020-3871
- CVE-2020-3846
- CVE-2020-3856
- CVE-2020-3829
- CVE-2020-3830
- CVE-2020-3854
- CVE-2019-18634
- CVE-2020-3855
- CVE-2020-3839
- CVE-2020-3843
- CVE-2020-3838
Frequently Asked Questions
What is CVE-2020-3863?
CVE-2020-3863 is a memory corruption vulnerability in crontab.
What software is affected by CVE-2020-3863?
macOS Catalina (10.15.3) is affected by CVE-2020-3863, as well as Mojave and High Sierra.
How can this vulnerability be exploited?
The memory corruption issue in crontab can potentially be exploited through maliciously crafted input.
What is the severity of CVE-2020-3863?
The severity of CVE-2020-3863 is not specified.
How can I fix CVE-2020-3863?
To fix CVE-2020-3863, update to the latest version of macOS that includes the remedy (e.g., macOS Catalina 10.15.3).