CVE-2021-1757: High severity tvos vulnerability
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A local attacker may be able to elevate their privileges.
Other sources
IOSkywalkFamily. An out-of-bounds read was addressed with improved bounds checking.
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2021-1761
- CVE-2021-1797
- CVE-2021-1760
- CVE-2021-1747
- CVE-2021-1776
- CVE-2021-1759
- CVE-2021-1772
- CVE-2021-1792
- CVE-2021-1786
- CVE-2021-1787
- CVE-2021-1791
- CVE-2021-1758
- CVE-2021-1818
- CVE-2021-1766
- CVE-2021-1785
- CVE-2021-1744
- CVE-2021-1742
- CVE-2021-1746
- CVE-2021-1754
- CVE-2021-1774
- CVE-2021-1777
- CVE-2021-1793
- CVE-2021-1773
- CVE-2021-1741
- CVE-2021-1743
- CVE-2021-1778
- CVE-2021-1783
- CVE-2021-1757
- CVE-2021-1748
- CVE-2021-1764
- CVE-2021-1750
- CVE-2021-1782
- CVE-2021-1769
- CVE-2021-1788
- CVE-2021-1789
- CVE-2021-1801
- CVE-2021-1799
- CVE-2020-27945
- CVE-2020-27937
- CVE-2021-1802
- CVE-2021-1790
- CVE-2021-1775
- CVE-2020-29608
- CVE-2021-1736
- CVE-2021-1737
- CVE-2021-1738
- CVE-2021-1779
- CVE-2020-27904
- CVE-2020-29633
- CVE-2021-1781
- CVE-2021-1771
- CVE-2021-1762
- CVE-2020-29614
- CVE-2021-1763
- CVE-2021-1767
- CVE-2021-1745
- CVE-2021-1753
- CVE-2021-1768
- CVE-2021-1751
- CVE-2020-25709
- CVE-2020-27938
- CVE-2019-20838
- CVE-2020-14155
- CVE-2020-15358
- CVE-2021-1765
- CVE-2021-1871
- CVE-2021-1870
- CVE-2021-30869
- CVE-2021-1794
- CVE-2021-1795
- CVE-2021-1796
- CVE-2021-1780
- CVE-2021-1838
- CVE-2021-1756
Frequently Asked Questions
What is CVE-2021-1757?
CVE-2021-1757 is a vulnerability in IOSkywalkFamily that allows an out-of-bounds read.
Which Apple products are affected by CVE-2021-1757?
The affected Apple products include macOS Big Sur 11.2, Catalina, Mojave, watchOS up to 7.3, iOS up to 14.4, iPadOS up to 14.4, and tvOS up to 14.4.
How severe is CVE-2021-1757?
The severity of CVE-2021-1757 is dependent on the specific use case and attacker's capabilities.
How can I fix CVE-2021-1757?
To fix CVE-2021-1757, it is recommended to update your Apple devices to the latest available version, which includes the necessary patches.
Where can I find more information about CVE-2021-1757?
You can find more information about CVE-2021-1757 on Apple's official security advisory pages: [link 1](https://support.apple.com/en-us/HT212147), [link 2](https://support.apple.com/en-us/HT212148), and [link 3](https://support.apple.com/en-us/HT212146).