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Release record

iOS 17.0.3

Full article
Public release
Recorded milestones
1
Beta cycle
—
Average interval
—
Public release
Oct 4, 2023

Release notes

Overview

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

Release overview

iOS 17.0.3 was publicly released on October 4, 2023. iOS 17.0.3 combined a user-visible thermal fix with a small set of documented security remediations.[1][2]

Apple said the update addressed iPhone temperatures running higher than expected. The security advisory separately lists a kernel privilege issue and a WebRTC/libvpx memory-safety issue.[1][2]

Source ledger

References

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

  1. About the security content of iOS 17.0.3 and iPadOS 17.0.3

    Apple Support · Apple · 2023-11-15T00:00:00.000Z · iOS 17.0.3 and iPadOS 17.0.3 — Released October 4, 2023

    Back to text ↑
  2. About iOS 17 Updates

    Apple Support · Apple · 2025-05-13T00:00:00.000Z · iOS 17.0.3

    Back to text ↑

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.

bugFix · fixed

Unexpected iPhone warmth

documentedconfirmed

Apple identified and corrected an issue associated with higher-than-expected device temperatures.

Recorded at Public

  1. [1] About iOS 17 Updates · iOS 17.0.3

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

    Full articleEditorially verified

    iOS 17.0.3 reached the public release channel on October 4, 2023. The public release is best understood as a focused maintenance update: one named device-behavior fix plus two disclosed security entries.

    Availability
    available
    Sources
    3 linked
    Open this appearance

Historical context

Cycle comparison

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

Official release notes