CVE-2020-9870: Input Validation

Reference Links

• https://support.apple.com/en-us/HT211289 (Advisory)
• https://support.apple.com/HT211288
• https://support.apple.com/HT211289
• https://support.apple.com/HT211290

Parent vulnerabilities

(Appears in the following advisories)

• HT211289

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2020-9927
• CVE-2020-9884
• CVE-2020-9889
• CVE-2020-9888
• CVE-2020-9890
• CVE-2020-9891
• CVE-2020-9928
• CVE-2020-9929
• CVE-2020-9870
• CVE-2020-9866
• CVE-2020-9869
• CVE-2020-9949
• CVE-2020-9934
• CVE-2020-9883
• CVE-2020-9865
• CVE-2020-9900
• CVE-2020-9980
• CVE-2020-9799
• CVE-2020-9913
• CVE-2020-27933
• CVE-2020-11758
• CVE-2020-11759
• CVE-2020-11760
• CVE-2020-11761
• CVE-2020-11762
• CVE-2020-11763
• CVE-2020-11764
• CVE-2020-11765
• CVE-2020-9871
• CVE-2020-9872
• CVE-2020-9874
• CVE-2020-9879
• CVE-2020-9936
• CVE-2020-9937
• CVE-2020-9919
• CVE-2020-9876
• CVE-2020-9873
• CVE-2020-9938
• CVE-2020-9877
• CVE-2020-9875
• CVE-2020-9984
• CVE-2020-9887
• CVE-2020-9908
• CVE-2020-9990
• CVE-2020-9921
• CVE-2019-14899
• CVE-2020-9904
• CVE-2020-9924
• CVE-2020-9892
• CVE-2020-9863
• CVE-2020-9902
• CVE-2020-9905
• CVE-2020-9997
• CVE-2020-9926
• CVE-2020-9994
• CVE-2020-9935
• CVE-2019-19906
• CVE-2020-9920
• CVE-2020-9922
• CVE-2020-9885
• CVE-2020-9878
• CVE-2020-9880
• CVE-2020-9881
• CVE-2020-9882
• CVE-2020-9940
• CVE-2020-9985
• CVE-2020-12243
• CVE-2020-10878
• CVE-2020-12723
• CVE-2014-9512
• CVE-2020-9930
• CVE-2020-9939
• CVE-2020-9864
• CVE-2020-9868
• CVE-2020-9854
• CVE-2020-9901
• CVE-2019-20807
• CVE-2020-9898
• CVE-2020-9918
• CVE-2020-9899
• CVE-2020-9906

Frequently Asked Questions

• What is CVE-2020-9870?

  CVE-2020-9870 is a logic issue in Clang that has been addressed with improved validation.

• Which software versions are affected by CVE-2020-9870?

  CVE-2020-9870 affects Apple macOS Catalina up to version 10.15.6, Apple Mojave, and Apple High Sierra.

• How can I fix the vulnerability in macOS Catalina?

  To fix the vulnerability in macOS Catalina, update to version 10.15.6 or later.

• Is there a fix available for Mojave?

  It is recommended to update to the latest version of macOS Mojave to mitigate the vulnerability.

• Where can I find more information about CVE-2020-9870?

  You can find more information about CVE-2020-9870 on the Apple website at the following link: https://support.apple.com/en-us/HT211289