CVE-2021-30819: Input Validation

Reference Links

• https://support.apple.com/en-us/HT212530 (Advisory)
• https://support.apple.com/en-us/HT212531 (Advisory)
• https://support.apple.com/en-us/HT212804 (Advisory)
• https://support.apple.com/en-us/HT212814 (Advisory)
• http://seclists.org/fulldisclosure/2021/Oct/61
• https://support.apple.com/kb/HT212804

Parent vulnerabilities

(Appears in the following advisories)

• HT212531
• HT212530
• HT212804
• HT212814

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2021-30676
• CVE-2021-30678
• CVE-2021-30690
• CVE-2021-30669
• CVE-2021-30681
• CVE-2021-30724
• CVE-2021-30735
• CVE-2021-30710
• CVE-2021-1884
• CVE-2021-1883
• CVE-2021-30697
• CVE-2021-30683
• CVE-2021-30687
• CVE-2021-30705
• CVE-2021-30728
• CVE-2021-30726
• CVE-2021-30704
• CVE-2021-30739
• CVE-2021-30702
• CVE-2021-30696
• CVE-2021-30819
• CVE-2021-30723
• CVE-2021-30691
• CVE-2021-30694
• CVE-2021-30692
• CVE-2021-30746
• CVE-2021-30693
• CVE-2021-30695
• CVE-2021-30708
• CVE-2021-30709
• CVE-2021-30725
• CVE-2021-30679
• CVE-2020-36226
• CVE-2020-36229
• CVE-2020-36225
• CVE-2020-36224
• CVE-2020-36223
• CVE-2020-36227
• CVE-2020-36228
• CVE-2020-36221
• CVE-2020-36222
• CVE-2020-36230
• CVE-2021-30738
• CVE-2021-30737
• CVE-2021-30716
• CVE-2021-30717
• CVE-2021-30712
• CVE-2021-30721
• CVE-2021-30722
• CVE-2021-30688
• CVE-2021-30685
• CVE-2021-30686
• CVE-2021-30673
• CVE-2020-29629
• CVE-2021-30684
• CVE-2021-30701
• CVE-2021-30743
• CVE-2021-30719
• CVE-2021-30715
• CVE-2021-30671
• CVE-2021-30811
• CVE-2021-30838
• CVE-2021-30834
• CVE-2021-30928
• CVE-2021-30860
• CVE-2021-31010
• CVE-2021-30827
• CVE-2021-30828
• CVE-2021-30829
• CVE-2021-22925
• CVE-2021-30832
• CVE-2021-30841
• CVE-2021-30842
• CVE-2021-30843
• CVE-2021-30853
• CVE-2021-30933
• CVE-2021-30835
• CVE-2021-30847
• CVE-2021-30830
• CVE-2021-30865
• CVE-2021-30857
• CVE-2021-30859
• CVE-2021-30864
• CVE-2013-0340
• CVE-2021-30813
• CVE-2021-30855
• CVE-2021-30925
• CVE-2021-30850
• CVE-2021-30845
• CVE-2021-30844
• CVE-2021-30858
• CVE-2021-30837
• CVE-2021-30866
• CVE-2021-30825
• CVE-2021-30863
• CVE-2021-30816
• CVE-2021-30882
• CVE-2021-30831
• CVE-2021-30840
• CVE-2021-30852
• CVE-2021-30867
• CVE-2021-30814
• CVE-2021-30874
• CVE-2021-30854
• CVE-2021-30898
• CVE-2021-30870
• CVE-2021-30808
• CVE-2021-30815
• CVE-2021-31001
• CVE-2021-30826
• CVE-2021-31005
• CVE-2021-31008
• CVE-2021-30897
• CVE-2021-30884
• CVE-2021-30818
• CVE-2021-30836
• CVE-2021-30809
• CVE-2021-30846
• CVE-2021-30848
• CVE-2021-30849
• CVE-2021-30851
• CVE-2021-30930
• CVE-2021-30810

Frequently Asked Questions

• What is CVE-2021-30819?

  CVE-2021-30819 is a vulnerability in Model I/O that allowed an out-of-bounds read, which has been addressed with improved input validation.

• What software is affected by CVE-2021-30819?

  CVE-2021-30819 affects macOS Big Sur versions up to and including 11.6, iOS versions up to and including 15, iPadOS versions up to and including 15, Mojave, and Catalina.

• How severe is CVE-2021-30819?

  The severity of CVE-2021-30819 is not specified in the information provided.

• How can I fix CVE-2021-30819?

  To fix CVE-2021-30819, make sure to update your affected macOS, iOS, iPadOS, Mojave, or Catalina to the latest available version.

• Where can I find more information about CVE-2021-30819?

  You can find more information about CVE-2021-30819 on Apple's support website at the following links: [Link 1](https://support.apple.com/en-us/HT212530), [Link 2](https://support.apple.com/en-us/HT212814), [Link 3](https://support.apple.com/en-us/HT212804).