CVE-2021-30844: High severity apple macos vulnerability
A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.
Other sources
SMB. A logic issue was addressed with improved state management.
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- 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-2021-30819
- CVE-2021-30855
- CVE-2021-30925
- CVE-2021-30850
- CVE-2021-30845
- CVE-2021-30844
- CVE-2021-30858
- CVE-2021-30876
- CVE-2021-30879
- CVE-2021-30877
- CVE-2021-30880
- CVE-2021-30907
- CVE-2021-30899
- CVE-2021-30926
- CVE-2021-30917
- CVE-2021-30903
- CVE-2021-30905
- CVE-2021-30919
- CVE-2021-30881
- CVE-2021-30900
- CVE-2021-30906
- CVE-2021-30824
- CVE-2021-30901
- CVE-2021-30922
- CVE-2021-30821
- CVE-2021-30883
- CVE-2021-30909
- CVE-2021-30916
- CVE-2021-30910
- CVE-2021-30911
- CVE-2021-30868
- CVE-2021-30913
- CVE-2021-30912
- CVE-2021-30915
- CVE-2021-30908
- CVE-2021-30833
- CVE-2021-30892
- CVE-2021-30873
- CVE-2021-30783
- CVE-2020-29622
- CVE-2021-30713
Frequently Asked Questions
What is CVE-2021-30844?
CVE-2021-30844 is a vulnerability related to SMB and involves a logic issue that has been addressed with improved state management.
Which software versions are affected by CVE-2021-30844?
macOS Big Sur versions 11.6 and earlier, including 11.6.1, and macOS Catalina are affected by CVE-2021-30844.
How can I fix CVE-2021-30844?
To fix CVE-2021-30844, update your macOS Big Sur to version 11.6.1 or update to a newer version if available.
Where can I find more information about CVE-2021-30844?
You can find more information about CVE-2021-30844 on the Apple Support website. Here are some references: [Link 1](https://support.apple.com/en-us/HT212871), [Link 2](https://support.apple.com/en-us/HT212872), [Link 3](https://support.apple.com/en-us/HT212804).