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Release record

iOS 18.4.1

Full article
Public release
Recorded milestones
1
Beta cycle
—
Average interval
—
Public release
Apr 16, 2025

Release notes

Overview

Editorial synthesis with inline references and a source ledger when citations are available.

iOS 18.4.1 fixed a rare problem that could prevent wireless CarPlay from connecting in certain vehicles. Apple otherwise described it as an important bug-fix and security update.[1]

The security bulletin documented CoreAudio and Pointer Authentication corrections and said both issues may have been exploited in extremely sophisticated attacks against specific targeted iOS users.[2]

Source ledger

References

Sources are linked to the claims they support. Publication and access dates are shown when available.

  1. About iOS 18 Updates

    Apple Support · 2026-07-29 · iOS 18.4.1

    Back to text ↑
  2. About the Security Content of iOS 18.4.1 and iPadOS 18.4.1

    Apple Support · 2026-07-29 · CoreAudio and RPAC; CVE-2025-31200 and CVE-2025-31201

    Back to text ↑
  3. About the Security Content of iOS 18.4.1 and iPadOS 18.4.1

    Apple Support · 2026-07-29 · Released April 16, 2025

Documented & observed

Changes in this version

Source-linked features, fixes, known issues, removals, and community-observed behavior recorded across this version’s appearances and verified builds.

Release changes

Changed in this release

Features, fixes, removals, and regressions first observed in this release record.

security · fixed

Pointer Authentication bypass fix

documentedconfirmed

Apple corrected an RPAC issue that could let an attacker with arbitrary read and write capability bypass Pointer Authentication and linked it to the same class of targeted attacks.

Recorded at Public

  1. [1] About the Security Content of iOS 18.4.1 and iPadOS 18.4.1 · RPAC; CVE-2025-31201

security · fixed

CoreAudio media code-execution fix

documentedconfirmed

Apple fixed CoreAudio memory corruption triggered by malicious media and said the issue may have been exploited in an extremely sophisticated attack against specific targeted iOS users.

Recorded at Public

  1. [1] About the Security Content of iOS 18.4.1 and iPadOS 18.4.1 · CoreAudio; CVE-2025-31200

bugFix · fixed

Wireless CarPlay connection fix

documentedconfirmed

The update addressed a rare condition that could prevent an iPhone from connecting to wireless CarPlay in certain vehicles.

Recorded at Public

  1. [1] About iOS 18 Updates · iOS 18.4.1 — wireless CarPlay

Milestones

Release history

Every recorded channel appearance in chronological order. Open an appearance for any available build, scope, notes, and sources.

  1. Public release

    Public

    Source-linked recordEditorially verified

    The public iOS 18.4.1 release fixed a wireless CarPlay failure and two security vulnerabilities tied to sophisticated targeted attacks on iOS.

    Availability
    available
    Sources
    5 linked
    Open this appearance

Historical context

Cycle comparison

Pace, intervals, and duration compared with earlier releases on the same platform.

Historical avg for .4.1 releases

40 days, 6.0 milestones

Based on 1 previous iOS .4.1 releases

Previous .4.1 releases (iOS)

Previous comparable iOS releases
VersionYearCycleMilestonesAvg. Interval
iOS 11.4.1201840d68d

Scroll horizontally to compare every historical field.

Official release notes