About the security content of macOS Sequoia 15.5

This document describes the security content of macOS Sequoia 15.5.

About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security releases page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

macOS Sequoia 15.5

afpfs

Available for: macOS Sequoia

Impact: Connecting to a malicious AFP server may corrupt kernel memory

Description: The issue was addressed with improved memory handling.

CVE-2025-31246: Joseph Ravichandran (@0xjprx) of MIT CSAIL

afpfs

Available for: macOS Sequoia

Impact: Mounting a maliciously crafted AFP network share may lead to system termination

Description: This issue was addressed with improved checks.

CVE-2025-31240: Dave G.

CVE-2025-31237: Dave G.

Apple Intelligence Reports

Available for: macOS Sequoia

Impact: An app may be able to access sensitive user data

Description: A permissions issue was addressed with additional restrictions.

CVE-2025-31260: Thomas Völkl (@vollkorntomate), SEEMOO, TU Darmstadt

AppleJPEG

Available for: macOS Sequoia

Impact: Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory

Description: The issue was addressed with improved input sanitization.

CVE-2025-31251: Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative

Audio

Available for: macOS Sequoia

Impact: An app may be able to cause unexpected system termination

Description: A double free issue was addressed with improved memory management.

CVE-2025-31235: Dillon Franke working with Google Project Zero

BOM

Available for: macOS Sequoia

Impact: Processing maliciously crafted web content may lead to an unexpected process crash

Description: The issue was addressed with improved memory handling.

CVE-2025-24222: wac working with Trend Micro Zero Day Initiative

Core Bluetooth

Available for: macOS Sequoia

Impact: An app may be able to access sensitive user data

Description: This issue was addressed through improved state management.

CVE-2025-31212: Guilherme Rambo of Best Buddy Apps (rambo.codes)

CoreAudio

Available for: macOS Sequoia

Impact: Parsing a file may lead to an unexpected app termination

Description: The issue was addressed with improved checks.

CVE-2025-31208: Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative

CoreGraphics

Available for: macOS Sequoia

Impact: Parsing a file may lead to disclosure of user information

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2025-31209: Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative

CoreMedia

Available for: macOS Sequoia

Impact: Parsing a file may lead to an unexpected app termination

Description: A use-after-free issue was addressed with improved memory management.

CVE-2025-31239: Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative

CoreMedia

Available for: macOS Sequoia

Impact: Processing a maliciously crafted video file may lead to unexpected app termination or corrupt process memory

Description: The issue was addressed with improved input sanitization.

CVE-2025-31233: Hossein Lotfi (@hosselot) of Trend Micro Zero Day Initiative

Finder

Available for: macOS Sequoia

Impact: An app may be able to access sensitive user data

Description: An information disclosure issue was addressed with improved privacy controls.

CVE-2025-31236: Kirin@Pwnrin and LFY@secsys from Fudan University

Found in Apps

Available for: macOS Sequoia

Impact: An app may be able to access user-sensitive data

Description: A privacy issue was addressed by removing the vulnerable code.

CVE-2025-30443: Bohdan Stasiuk (@bohdan_stasiuk)

ImageIO

Available for: macOS Sequoia

Impact: Processing a maliciously crafted image may lead to a denial-of-service

Description: A logic issue was addressed with improved checks.

CVE-2025-31226: Saagar Jha

Installer

Available for: macOS Sequoia

Impact: A sandboxed app may be able to access sensitive user data

Description: A logic issue was addressed with improved checks.

CVE-2025-31232: an anonymous researcher

Kernel

Available for: macOS Sequoia

Impact: A remote attacker may be able to cause unexpected system termination

Description: The issue was addressed with improved checks.

CVE-2025-24224: Tony Iskow (@Tybbow)

Kernel

Available for: macOS Sequoia

Impact: A remote attacker may cause an unexpected app termination

Description: A double free issue was addressed with improved memory management.

CVE-2025-31241: Christian Kohlschütter

Kernel

Available for: macOS Sequoia

Impact: An attacker may be able to cause unexpected system termination or corrupt kernel memory

Description: The issue was addressed with improved memory handling.

CVE-2025-31219: Michael DePlante (@izobashi) and Lucas Leong (@_wmliang_) of Trend Micro Zero Day Initiative

libexpat

Available for: macOS Sequoia

Impact: Multiple issues in libexpat, including unexpected app termination or arbitrary code execution

Description: This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.

CVE-2024-8176

Libinfo

Available for: macOS Sequoia

Impact: An app may be able to bypass ASLR

Description: The issue was addressed with improved checks.

CVE-2025-30440: Paweł Płatek (Trail of Bits)

mDNSResponder

Available for: macOS Sequoia

Impact: A user may be able to elevate privileges

Description: A correctness issue was addressed with improved checks.

CVE-2025-31222: Paweł Płatek (Trail of Bits)

Mobile Device Service

Available for: macOS Sequoia

Impact: A malicious app may be able to gain root privileges

Description: An input validation issue was addressed by removing the vulnerable code.

CVE-2025-24274: an anonymous researcher

NetworkExtension

Available for: macOS Sequoia

Impact: An app may be able to observe the hostnames of new network connections

Description: This issue was addressed by removing the vulnerable code.

CVE-2025-31218: Adam M.

Notes

Available for: macOS Sequoia

Impact: Hot corner may unexpectedly reveal a user’s deleted notes

Description: The issue was addressed with improved handling of caches.

CVE-2025-31256: Sourabhkumar Mishra

Notification Center

Available for: macOS Sequoia

Impact: An app may be able to access sensitive user data

Description: A privacy issue was addressed with improved private data redaction for log entries.

CVE-2025-24142: LFY@secsys from Fudan University

OpenSSH

Available for: macOS Sequoia

Impact: Multiple issues in OpenSSH

Description: This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.

CVE-2025-26465

CVE-2025-26466

Pro Res

Available for: macOS Sequoia

Impact: An attacker may be able to cause unexpected system termination or corrupt kernel memory

Description: The issue was addressed with improved input sanitization.

CVE-2025-31234: CertiK (@CertiK)

Pro Res

Available for: macOS Sequoia

Impact: An app may be able to cause unexpected system termination

Description: The issue was addressed with improved checks.

CVE-2025-31245: wac

quarantine

Available for: macOS Sequoia

Impact: An app may be able to break out of its sandbox

Description: A file quarantine bypass was addressed with additional checks.

CVE-2025-31244: Csaba Fitzl (@theevilbit) of Kandji

RemoteViewServices

Available for: macOS Sequoia

Impact: An app may be able to break out of its sandbox

Description: This issue was addressed by removing the vulnerable code.

CVE-2025-31258: an anonymous researcher

Sandbox

Available for: macOS Sequoia

Impact: An app may be able to access sensitive user data

Description: A logic issue was addressed with improved checks.

CVE-2025-31249: Ryan Dowd (@_rdowd)

Sandbox

Available for: macOS Sequoia

Impact: An app may be able to bypass certain Privacy preferences

Description: A logic issue was addressed with improved checks.

CVE-2025-31224: Csaba Fitzl (@theevilbit) of Kandji

Security

Available for: macOS Sequoia

Impact: A remote attacker may be able to leak memory

Description: An integer overflow was addressed with improved input validation.

CVE-2025-31221: Dave G.

Security

Available for: macOS Sequoia

Impact: An app may be able to access associated usernames and websites in a user's iCloud Keychain

Description: A logging issue was addressed with improved data redaction.

CVE-2025-31213: Kirin (@Pwnrin) and 7feilee

SharedFileList

Available for: macOS Sequoia

Impact: An attacker may gain access to protected parts of the file system

Description: A logic issue was addressed with improved state management.

CVE-2025-31247: an anonymous researcher

SoftwareUpdate

Available for: macOS Sequoia

Impact: An app may be able to gain elevated privileges

Description: The issue was addressed with improved input sanitization.

CVE-2025-31259: an anonymous researcher

StoreKit

Available for: macOS Sequoia

Impact: An app may be able to access sensitive user data

Description: A privacy issue was addressed with improved private data redaction for log entries.

CVE-2025-31242: Eric Dorphy of Twin Cities App Dev LLC

TCC

Available for: macOS Sequoia

Impact: An app may be able to access sensitive user data

Description: An information disclosure issue was addressed with improved privacy controls.

CVE-2025-31250: Noah Gregory (wts.dev)

Weather

Available for: macOS Sequoia

Impact: A malicious app may be able to read sensitive location information

Description: A privacy issue was addressed by removing sensitive data.

CVE-2025-31220: Adam M.

WebKit

Available for: macOS Sequoia

Impact: A type confusion issue could lead to memory corruption

Description: This issue was addressed with improved handling of floats.

CVE-2025-24213: Google V8 Security Team

WebKit

Available for: macOS Sequoia

Impact: Processing maliciously crafted web content may lead to memory corruption

Description: The issue was addressed with improved checks.

CVE-2025-31223: Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs

CVE-2025-31238: wac working with Trend Micro Zero Day Initiative

WebKit

Available for: macOS Sequoia

Impact: Processing maliciously crafted web content may lead to an unexpected process crash

Description: The issue was addressed with improved checks.

CVE-2025-31215: Jiming Wang and Jikai Ren

WebKit

Available for: macOS Sequoia

Impact: Processing maliciously crafted web content may lead to memory corruption

Description: The issue was addressed with improved memory handling.

CVE-2025-31204: Nan Wang(@eternalsakura13)

CVE-2025-24223: rheza (@ginggilBesel) and an anonymous researcher

WebKit

Available for: macOS Sequoia

Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash

Description: A type confusion issue was addressed with improved state handling.

CVE-2025-31206: an anonymous researcher

WebKit

Available for: macOS Sequoia

Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash

Description: The issue was addressed with improved input validation.

CVE-2025-31217: Ignacio Sanmillan (@ulexec)

WebKit

Available for: macOS Sequoia

Impact: A malicious website may exfiltrate data cross-origin

Description: The issue was addressed with improved checks.

CVE-2025-31205: Ivan Fratric of Google Project Zero

WebKit

Available for: macOS Sequoia

Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash

Description: This issue was addressed with improved memory handling.

CVE-2025-31257: Juergen Schmied of Lynck GmbH

Additional recognition

AirDrop

We would like to acknowledge Dalibor Milanovic for their assistance.

Foundation

We would like to acknowledge Claudio Bozzato and Francesco Benvenuto of Cisco Talos for their assistance.

Kernel

We would like to acknowledge an anonymous researcher for their assistance.

Mail

We would like to acknowledge IES Red Team of ByteDance for their assistance.

MobileGestalt

We would like to acknowledge iisBuri for their assistance.

NetworkExtension

We would like to acknowledge Andrei-Alexandru Bleorțu, Dmytro Merkulov for their assistance.

Notes

We would like to acknowledge YingQi Shi (@Mas0nShi) of DBAppSecurity's WeBin lab for their assistance.

Safari

We would like to acknowledge @RenwaX23, Akash Labade, Narendra Bhati, Manager of Cyber Security at Suma Soft Pvt. Ltd, Pune (India) for their assistance.

Sandbox

We would like to acknowledge Kirin@Pwnrin and LFY@secsys from Fudan University, Tal Lossos, Zhongquan Li (@Guluisacat) for their assistance.

Shortcuts

We would like to acknowledge Candace Jensen of Kandji, Chi Yuan Chang of ZUSO ART and taikosoup, Egor Filatov (Positive Technologies), Marcio Almeida from Tanto Security, Monnier Pascaud, Ron Masas of BREAKPOINT.SH for their assistance.

WebKit

We would like to acknowledge Mike Dougherty and Daniel White of Google Chrome and an anonymous researcher for their assistance.

XProtect

We would like to acknowledge Csaba Fitzl (@theevilbit) of Kandji for their assistance.