CVE-2021-1877: Input Validation

Reference Links

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

Parent vulnerabilities

(Appears in the following advisories)

• HT212317

Peer vulnerabilities

(Found alongside the following vulnerabilities)

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

Frequently Asked Questions

• What is the vulnerability ID for this vulnerability?

  The vulnerability ID for this vulnerability is CVE-2021-1877.

• What is the title of this vulnerability?

  The title of this vulnerability is 'Kernel. An out-of-bounds read was addressed with improved input validation.'

• What is the severity of this vulnerability?

  The severity of this vulnerability is not stated in the provided information.

• Which software is affected by this vulnerability?

  The Apple iOS versions up to exclusive 14.5 and Apple iPadOS versions up to exclusive 14.5 are affected by this vulnerability.

• How can I fix this vulnerability?

  To fix this vulnerability, update your Apple iOS or Apple iPadOS to version 14.5 or higher.