CVE-2021-1758: Critical 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 remote attacker may be able to cause arbitrary code execution.
Other sources
FontParser. 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-2021-1758?
CVE-2021-1758 is a vulnerability in the FontParser component that allows for an out-of-bounds read.
What is the severity of CVE-2021-1758?
The severity of CVE-2021-1758 is not specified in the provided information.
Which software versions are affected by CVE-2021-1758?
macOS Big Sur (up to version 11.2), Apple Catalina, Apple Mojave, Apple watchOS (up to version 7.3), Apple iOS (up to version 14.4), Apple iPadOS (up to version 14.4), and Apple tvOS (up to version 14.4) are affected by CVE-2021-1758.
How can I fix CVE-2021-1758?
To fix CVE-2021-1758, it is recommended to update your software to the latest version provided by Apple.
Where can I find more information about CVE-2021-1758?
You can find more information about CVE-2021-1758 at the following references: [https://support.apple.com/en-us/HT212149](https://support.apple.com/en-us/HT212149), [https://support.apple.com/en-us/HT212147](https://support.apple.com/en-us/HT212147), [https://support.apple.com/en-us/HT212148](https://support.apple.com/en-us/HT212148).