CVE-2021-30840: High severity tvos vulnerability
FontParser. This issue was addressed with improved checks.
Other sources
This issue was addressed with improved checks. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2021-30837
- CVE-2021-30838
- CVE-2021-30866
- CVE-2021-30834
- CVE-2021-30928
- CVE-2021-30831
- CVE-2021-30840
- CVE-2021-30841
- CVE-2021-30842
- CVE-2021-30843
- CVE-2021-30852
- CVE-2021-30814
- CVE-2021-30835
- CVE-2021-30847
- CVE-2021-30857
- CVE-2013-0340
- CVE-2021-30855
- CVE-2021-30854
- CVE-2021-30850
- CVE-2021-30808
- CVE-2021-30897
- CVE-2021-30884
- CVE-2021-30818
- CVE-2021-30823
- CVE-2021-30836
- CVE-2021-30809
- CVE-2021-30846
- CVE-2021-30849
- CVE-2021-30851
- CVE-2021-30810
- CVE-2021-30811
- CVE-2021-30882
- CVE-2021-30925
- 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-2021-30917
- CVE-2021-30903
- CVE-2021-30905
- CVE-2021-30919
- CVE-2020-9846
- CVE-2021-30881
- CVE-2021-30923
- CVE-2021-30895
- CVE-2021-30896
- CVE-2021-30933
- CVE-2021-30906
- CVE-2021-30867
- 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-2021-30920
- 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-2021-30848
- CVE-2021-30887
- CVE-2021-30888
- CVE-2021-30889
- CVE-2021-30861
- CVE-2021-30890
- CVE-2021-30930
- CVE-2021-30908
- CVE-2021-30833
- CVE-2021-30892
- CVE-2021-30825
- CVE-2021-30863
- CVE-2021-30816
- CVE-2021-30819
- CVE-2021-30898
- CVE-2021-30870
- CVE-2021-30815
- CVE-2021-31001
- CVE-2021-30826
Frequently Asked Questions
What is CVE-2021-30840?
CVE-2021-30840 refers to a vulnerability in FontParser in Apple watchOS, iOS, iPadOS, macOS Monterey, and tvOS.
What is the severity of CVE-2021-30840?
The severity of CVE-2021-30840 is not provided.
How does CVE-2021-30840 impact Apple devices?
CVE-2021-30840 could potentially allow an attacker to execute arbitrary code on affected Apple devices.
How can I fix the CVE-2021-30840 vulnerability?
To fix the CVE-2021-30840 vulnerability, update your Apple watchOS, iOS, iPadOS, macOS Monterey, or tvOS to the specified remediation versions.
Where can I find more information about CVE-2021-30840?
You can find more information about CVE-2021-30840 on the Apple support website.