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From: Apple Product Security via Fulldisclosure <fulldisclosure () seclists org> Date: Mon, 03 Nov 2025 17:35:45 -0800

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APPLE-SA-11-03-2025-9 Xcode 26.1

Xcode 26.1 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/125641.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

GNU
Available for: macOS Sequoia 15.6 and later
Impact: Processing a maliciously crafted file may lead to heap
corruption
Description: An out-of-bounds write issue was addressed with improved
input validation.
CVE-2025-43505: Nathaniel Oh (@calysteon)

lldb
Available for: macOS Sequoia 15.6 and later
Impact: A user in a privileged network position may be able to cause a
denial-of-service
Description: A buffer overflow was addressed with improved bounds
checking.
CVE-2025-43504: Nathaniel Oh (@calysteon)

Xcode 26.1 may be obtained from:
https://developer.apple.com/xcode/downloads/.  To check that the Xcode
has been updated:  * Select Xcode in the menu bar * Select About
Xcode * The version after applying this update will be "Xcode 26.1".

All information is also posted on the Apple Security Releases
web site: https://support.apple.com/100100.

This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/

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