CVE-2021-1770

Summary

A buffer overflow may result in arbitrary code execution. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A logic issue was addressed with improved state management.

Impact & exploitability

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

• NVD record
• https://support.apple.com/en-us/HT212317Advisory
• https://support.apple.com/en-us/HT212323Advisory
• https://support.apple.com/en-us/HT212324Advisory
• https://support.apple.com/en-us/HT212325Advisory