CVE-2020-3839: Input Validation

Reference Links

• https://support.apple.com/en-us/HT210919 (Advisory)
• https://support.apple.com/HT210919

Parent vulnerabilities

(Appears in the following advisories)

• HT210919

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-2020-3839?

  CVE-2020-3839 is a validation issue in Wi-Fi that has been addressed with improved input sanitization.

• What software is affected by CVE-2020-3839?

  macOS Catalina (versions up to 10.15.3), Mojave, and High Sierra are affected by CVE-2020-3839.

• How can I fix the vulnerability CVE-2020-3839?

  To fix CVE-2020-3839, update to macOS Catalina 10.15.3 or the latest version available for Mojave and High Sierra.

• Is there any reference for CVE-2020-3839?

  Yes, you can find more information about CVE-2020-3839 on the Apple security advisory: https://support.apple.com/en-us/HT210919