Release appearance
iOS 14.5.1 Public
Recorded context
About this appearance
The public iOS 14.5.1 maintenance release corrected an App Tracking Transparency permission-prompt state and fixed two WebKit vulnerabilities that Apple said might have been actively exploited.
- Date
- May 3, 2021
- Availability
- available
- Revision
- No
Chronology evidence
Appearance sources
These sources support the recorded date, channel, or availability. A researched release-notes article has not been added.
- About iOS 14 Updates
Apple Support · 2026-07-29 · iOS 14.5.1 — App Tracking Transparency
- About iOS 14 Updates
Apple Support · 2026-07-29 · iOS 14.5.1
- About the Security Content of iOS 14.5.1 and iPadOS 14.5.1
Apple Support · 2026-07-29 · Released May 3, 2021
- About the Security Content of iOS 14.5.1 and iPadOS 14.5.1
Apple Support · 2026-07-29 · WebKit — CVE-2021-30663
- About the Security Content of iOS 14.5.1 and iPadOS 14.5.1
Apple Support · 2026-07-29 · WebKit — CVE-2021-30665
Release changes
Changed in this release
Features, fixes, removals, and regressions first observed in this release record.
security · fixed
WebKit use-after-free fix
Apple fixed CVE-2021-30665 in WebKit and noted awareness of reports that the issue might have been actively exploited.
- [1] About the Security Content of iOS 14.5.1 and iPadOS 14.5.1 · WebKit — CVE-2021-30665
bugFix · fixed
App Tracking Transparency prompt-state fix
Apple fixed a condition in which some users who had turned off Allow Apps to Request to Track did not receive app prompts after turning the setting back on.
- [1] About iOS 14 Updates · iOS 14.5.1 — App Tracking Transparency
security · fixed
WebKit memory corruption fix
Apple fixed CVE-2021-30663 in WebKit and noted awareness of reports that the issue might have been actively exploited.
- [1] About the Security Content of iOS 14.5.1 and iPadOS 14.5.1 · WebKit — CVE-2021-30663