CVE-2021-30951: Use After Free
A flaw was found in WebKitGTK. An use-after-free issue was addressed with improved memory management.
Reference: https://webkitgtk.org/security/WSA-2022-0001.html
Other sources
A use after free issue was addressed with improved memory management. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
WebKit. A use after free issue was addressed with improved memory management.
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2021-30960
- CVE-2021-30966
- CVE-2021-30926
- CVE-2021-30942
- CVE-2021-30962
- CVE-2021-30957
- CVE-2021-30958
- CVE-2021-30945
- CVE-2021-31013
- CVE-2021-31000
- CVE-2021-30939
- CVE-2021-30916
- CVE-2021-30937
- CVE-2021-30927
- CVE-2021-30980
- CVE-2021-30949
- CVE-2021-30993
- CVE-2021-30955
- CVE-2021-30995
- CVE-2021-30968
- CVE-2021-30947
- CVE-2021-30944
- CVE-2021-30934
- CVE-2021-30936
- CVE-2021-30951
- CVE-2021-30952
- CVE-2021-30984
- CVE-2021-30953
- CVE-2021-30954
- CVE-2021-30943
- CVE-2021-30946
- CVE-2021-30767
- CVE-2021-30964
- CVE-2021-30987
- CVE-2021-30950
- CVE-2021-30986
- CVE-2021-30935
- CVE-2021-31007
- CVE-2021-30977
- CVE-2021-30981
- CVE-2021-30996
- CVE-2021-30982
- CVE-2021-30976
- CVE-2021-30990
- CVE-2021-31009
- CVE-2021-30971
- CVE-2021-30973
- CVE-2021-30929
- CVE-2021-30979
- CVE-2021-30940
- CVE-2021-30941
- CVE-2021-30975
- CVE-2021-30972
- CVE-2021-30970
- CVE-2021-30965
- CVE-2021-30938
- CVE-2021-30956
- CVE-2021-30992
- CVE-2021-30983
- CVE-2021-30985
- CVE-2021-30991
- CVE-2021-30998
- CVE-2021-30997
- CVE-2021-30967
- CVE-2021-30988
- CVE-2021-30932
- CVE-2021-30948
Frequently Asked Questions
What is CVE-2021-30951?
CVE-2021-30951 is a use after free issue in WebKit that has been addressed with improved memory management.
Who is affected by CVE-2021-30951?
Apple macOS Monterey, Apple Safari, Apple iOS, Apple iPadOS, Apple watchOS, and Apple tvOS versions up to, but not including, 12.1, 15.2, or 8.3 respectively are affected by CVE-2021-30951.
How severe is CVE-2021-30951?
The severity of CVE-2021-30951 is not explicitly mentioned.
How can I fix CVE-2021-30951?
To fix CVE-2021-30951, it is recommended to update to macOS Monterey version 12.1, Safari version 15.2, iOS version 15.2, iPadOS version 15.2, watchOS version 8.3, or tvOS version 15.2.
Where can I find more information about CVE-2021-30951?
More information about CVE-2021-30951 can be found on the Apple security updates page at the following URLs: [https://support.apple.com/en-us/HT212978](https://support.apple.com/en-us/HT212978), [https://support.apple.com/en-us/HT212980](https://support.apple.com/en-us/HT212980), [https://support.apple.com/en-us/HT212975](https://support.apple.com/en-us/HT212975).