CVE-2021-30848

Reference Links

• https://support.apple.com/en-us/HT212807 (Advisory)
• https://support.apple.com/en-us/HT212814 (Advisory)
• https://support.apple.com/en-us/HT212816 (Advisory)
• https://support.apple.com/en-us/HT212869 (Advisory)
• http://seclists.org/fulldisclosure/2021/Oct/60
• http://seclists.org/fulldisclosure/2021/Oct/61
• http://www.openwall.com/lists/oss-security/2021/10/26/9
• http://www.openwall.com/lists/oss-security/2021/10/27/1
• http://www.openwall.com/lists/oss-security/2021/10/27/2
• http://www.openwall.com/lists/oss-security/2021/10/27/4
• https://support.apple.com/kb/HT212869

Parent vulnerabilities

(Appears in the following advisories)

• HT212816
• HT212869
• HT212807
• HT212814

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2021-30836
• CVE-2021-30861
• CVE-2021-30818
• CVE-2021-30823
• CVE-2021-30809
• CVE-2021-30846
• CVE-2021-30848
• CVE-2021-30849
• CVE-2021-30851
• CVE-2021-30930
• CVE-2021-30873
• CVE-2021-30876
• CVE-2021-30879
• CVE-2021-30877
• CVE-2021-30880
• CVE-2021-30994
• CVE-2021-30907
• CVE-2021-30899
• CVE-2021-30931
• CVE-2021-30866
• CVE-2021-30917
• CVE-2021-30903
• CVE-2021-30905
• CVE-2021-30919
• CVE-2020-9846
• CVE-2021-30881
• CVE-2021-30923
• CVE-2021-30831
• CVE-2021-30840
• CVE-2021-30852
• CVE-2021-30895
• CVE-2021-30896
• CVE-2021-30933
• CVE-2021-30906
• CVE-2021-30867
• CVE-2021-30814
• CVE-2021-30922
• CVE-2021-30824
• CVE-2021-30901
• CVE-2021-30821
• CVE-2021-30883
• CVE-2021-30924
• CVE-2021-30886
• CVE-2021-30909
• CVE-2021-30916
• CVE-2021-30864
• CVE-2021-30813
• CVE-2021-31011
• CVE-2021-30904
• CVE-2021-30910
• CVE-2021-30911
• CVE-2021-30874
• CVE-2021-30808
• CVE-2021-30920
• CVE-2021-31004
• CVE-2021-31002
• CVE-2021-30868
• CVE-2021-30912
• CVE-2021-30913
• CVE-2021-30915
• CVE-2021-31005
• CVE-2021-31008
• CVE-2021-30897
• CVE-2021-30884
• CVE-2021-30887
• CVE-2021-30888
• CVE-2021-30889
• CVE-2021-30890
• CVE-2021-30908
• CVE-2021-30833
• CVE-2021-30892
• CVE-2021-30838
• CVE-2021-30820
• CVE-2021-30834
• CVE-2021-30928
• CVE-2021-30860
• CVE-2021-31010
• CVE-2021-30841
• CVE-2021-30843
• CVE-2021-30842
• CVE-2021-30847
• CVE-2021-30857
• CVE-2021-30859
• CVE-2013-0340
• CVE-2021-30855
• CVE-2021-30826
• CVE-2021-30858
• CVE-2021-30837
• CVE-2021-30811
• CVE-2021-30825
• CVE-2021-30863
• CVE-2021-30816
• CVE-2021-30882
• CVE-2021-30835
• CVE-2021-30819
• CVE-2021-30854
• CVE-2021-30898
• CVE-2021-30870
• CVE-2021-30925
• CVE-2021-30815
• CVE-2021-31001
• CVE-2021-30810

Frequently Asked Questions

• What is CVE-2021-30848?

  CVE-2021-30848 is a memory corruption issue in WebKit that was addressed with improved memory handling.

• Which software is affected by CVE-2021-30848?

  CVE-2021-30848 affects Apple iOS versions up to but excluding 15, Apple iPadOS versions up to but excluding 15, Apple iOS versions up to but excluding 14.8, Apple iPadOS versions up to but excluding 14.8, Apple Safari versions up to but excluding 15, and Apple macOS Monterey versions up to but excluding 12.0.1.

• How can I fix CVE-2021-30848?

  To fix CVE-2021-30848, Apple recommends updating to the latest available software versions. Please refer to the vendor's security advisory for specific instructions.

• Where can I find more information about CVE-2021-30848?

  You can find more information about CVE-2021-30848 in the following references provided by Apple: [Reference 1](https://support.apple.com/en-us/HT212814), [Reference 2](https://support.apple.com/en-us/HT212807), [Reference 3](https://support.apple.com/en-us/HT212869).