CVE-2021-30887

Reference Links

• https://webkitgtk.org/security/WSA-2021-0007.html
• https://security-tracker.debian.org/tracker/CVE-2021-30887
• https://support.apple.com/en-us/HT212875 (Advisory)
• https://support.apple.com/en-us/HT212869 (Advisory)
• https://support.apple.com/en-us/HT212874 (Advisory)
• http://www.openwall.com/lists/oss-security/2021/12/20/6
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/
• https://support.apple.com/en-us/HT212867 (Advisory)
• https://support.apple.com/en-us/HT212876 (Advisory)
• https://www.debian.org/security/2021/dsa-5030
• https://www.debian.org/security/2021/dsa-5031
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/

Parent vulnerabilities

(Appears in the following advisories)

• HT212875
• HT212869
• HT212874
• HT212876
• HT212867

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2021-31008
• CVE-2021-30887
• CVE-2021-30888
• CVE-2021-30889
• CVE-2021-30890
• 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-2021-30897
• CVE-2021-30884
• CVE-2021-30818
• CVE-2021-30836
• CVE-2021-30846
• CVE-2021-30849
• CVE-2021-30848
• CVE-2021-30851
• CVE-2021-30809
• CVE-2021-30823
• CVE-2021-30861
• CVE-2021-30930
• CVE-2021-30908
• CVE-2021-30833
• CVE-2021-30892
• CVE-2021-31007
• CVE-2021-30894
• CVE-2021-30900
• CVE-2021-30914
• CVE-2021-30875
• CVE-2021-30902

Frequently Asked Questions

• What is CVE-2021-30887?

  CVE-2021-30887 is a logic issue in WebKit that has been addressed with improved restrictions.

• Which software is affected by CVE-2021-30887?

  CVE-2021-30887 affects Apple Safari 15.1, Apple macOS Monterey 12.0.1, Apple iOS 15.1, Apple iPadOS 15.1, Apple tvOS 15.1, and Apple watchOS 8.1.

• How severe is CVE-2021-30887?

  The severity of CVE-2021-30887 is not specified in the information provided.

• How can I fix CVE-2021-30887?

  To fix CVE-2021-30887, it is recommended to update your affected software to the specified versions: Apple Safari 15.1, Apple macOS Monterey 12.0.1, Apple iOS 15.1, Apple iPadOS 15.1, Apple tvOS 15.1, and Apple watchOS 8.1.

• Where can I find more information about CVE-2021-30887?

  You can find more information about CVE-2021-30887 on Apple's support page at the following links: [link1](https://support.apple.com/en-us/HT212867), [link2](https://support.apple.com/en-us/HT212874), [link3](https://support.apple.com/en-us/HT212875).