CVE-2021-1816: Buffer Overflow

Reference Links

• https://support.apple.com/en-us/HT212317 (Advisory)
• https://support.apple.com/en-us/HT212323 (Advisory)
• https://support.apple.com/en-us/HT212324 (Advisory)
• https://support.apple.com/kb/HT212324

Parent vulnerabilities

(Appears in the following advisories)

• HT212323
• HT212324
• HT212317

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2021-1849
• CVE-2021-1836
• CVE-2021-1808
• CVE-2021-1857
• CVE-2021-30752
• CVE-2021-1846
• CVE-2021-1809
• CVE-2021-30664
• CVE-2021-1811
• CVE-2021-1881
• CVE-2021-1882
• CVE-2021-1813
• CVE-2021-1883
• CVE-2021-1884
• CVE-2021-1885
• CVE-2021-30653
• CVE-2021-1843
• CVE-2021-1858
• CVE-2021-30743
• CVE-2021-30764
• CVE-2021-1864
• CVE-2021-1860
• CVE-2021-1816
• CVE-2021-1851
• CVE-2021-1832
• CVE-2021-30660
• CVE-2021-30652
• CVE-2021-1875
• CVE-2021-1822
• CVE-2021-1815
• CVE-2021-1739
• CVE-2021-1740
• CVE-2021-1868
• CVE-2021-1844
• CVE-2021-1825
• CVE-2021-1817
• CVE-2021-1826
• CVE-2021-1820
• CVE-2021-30661
• CVE-2020-7463
• CVE-2021-1770
• CVE-2021-30659
• CVE-2021-1872
• CVE-2021-1880
• CVE-2021-1814
• CVE-2021-1807
• CVE-2021-1835
• CVE-2021-1837
• CVE-2021-1867
• CVE-2021-30742
• CVE-2021-1812
• CVE-2021-30656
• CVE-2021-30662
• CVE-2021-1877
• CVE-2021-1852
• CVE-2021-1830
• CVE-2021-1874
• CVE-2021-1833
• CVE-2021-1865
• CVE-2021-1863
• CVE-2021-1831
• CVE-2021-1862
• CVE-2021-1854
• CVE-2021-30921
• CVE-2021-1848

Frequently Asked Questions

• What is CVE-2021-1816?

  CVE-2021-1816 is a kernel vulnerability in Apple iOS, iPadOS, watchOS, and tvOS that allows for buffer overflow due to insufficient bounds checking.

• What is the severity of CVE-2021-1816?

  The severity of CVE-2021-1816 is not specified in the provided information.

• How does CVE-2021-1816 affect Apple devices?

  CVE-2021-1816 affects Apple devices running iOS, iPadOS, watchOS, and tvOS up to version 14.5 and can lead to a buffer overflow vulnerability.

• How can I fix CVE-2021-1816?

  To address CVE-2021-1816, Apple has released security updates in iOS 14.5, iPadOS 14.5, watchOS 7.4, and tvOS 14.5. It is recommended to update your device to the latest available version.

• Where can I find more information about CVE-2021-1816?

  You can find more information about CVE-2021-1816 on the official Apple security advisory pages: [link1], [link2], [link3].