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 updates page.
For more information about security, see the Apple Product Security page. You can encrypt communications with Apple using the Apple Product Security PGP Key.
Apple security documents reference vulnerabilities by CVE-ID when possible.
iTunes 12.9 for Windows
Released September 12, 2018
CFNetwork
Available for: Windows 7 and later
Impact: An application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2018-4126: Bruno Keith (@bkth_) working with Trend Micro's Zero Day Initiative
Entry added October 30, 2018
CoreFoundation
Available for: Windows 7 and later
Impact: An application may be able to gain elevated privileges
Description: A memory corruption issue was addressed with improved input validation.
CVE-2018-4414: The UK's National Cyber Security Centre (NCSC)
Entry added October 30, 2018
CoreFoundation
Available for: Windows 7 and later
Impact: A malicious application may be able to elevate privileges
Description: A memory corruption issue was addressed with improved input validation.
CVE-2018-4412: The UK's National Cyber Security Centre (NCSC)
Entry added October 30, 2018
CoreText
Available for: Windows 7 and later
Impact: Processing a maliciously crafted text file may lead to arbitrary code execution
Description: A use after free issue was addressed with improved memory management.
CVE-2018-4347: Vasyl Tkachuk of Readdle
Entry added October 30, 2018, updated January 10, 2019
WebKit
Available for: Windows 7 and later
Impact: Unexpected interaction causes an ASSERT failure
Description: A memory corruption issue was addressed with improved validation.
CVE-2018-4191: found by OSS-Fuzz
WebKit
Available for: Windows 7 and later
Impact: Cross-origin SecurityErrors includes the accessed frame’s origin
Description: The issue was addressed by removing origin information.
CVE-2018-4311: Erling Alf Ellingsen (@steike)
WebKit
Available for: Windows 7 and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved state management.
CVE-2018-4316: crixer, Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team
WebKit
Available for: Windows 7 and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2018-4299: Samuel Groβ (saelo) working with Trend Micro's Zero Day Initiative
CVE-2018-4323: Ivan Fratric of Google Project Zero
CVE-2018-4328: Ivan Fratric of Google Project Zero
CVE-2018-4358: @phoenhex team (@bkth_ @5aelo @_niklasb) working with Trend Micro's Zero Day Initiative
CVE-2018-4359: Samuel Groß (@5aelo)
CVE-2018-4360: William Bowling (@wcbowling)
Entry updated October 24, 2018
WebKit
Available for: Windows 7 and later
Impact: A malicious website may cause unexepected cross-origin behavior
Description: A cross-origin issue existed with iframe elements. This was addressed with improved tracking of security origins.
CVE-2018-4319: John Pettitt of Google
WebKit
Available for: Windows 7 and later
Impact: A malicious website may be able to execute scripts in the context of another website
Description: A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation.
CVE-2018-4309: an anonymous researcher working with Trend Micro's Zero Day Initiative
WebKit
Available for: Windows 7 and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A use after free issue was addressed with improved memory management.
CVE-2018-4197: Ivan Fratric of Google Project Zero
CVE-2018-4306: Ivan Fratric of Google Project Zero
CVE-2018-4312: Ivan Fratric of Google Project Zero
CVE-2018-4314: Ivan Fratric of Google Project Zero
CVE-2018-4315: Ivan Fratric of Google Project Zero
CVE-2018-4317: Ivan Fratric of Google Project Zero
CVE-2018-4318: Ivan Fratric of Google Project Zero
WebKit
Available for: Windows 7 and later
Impact: A malicious website may exfiltrate image data cross-origin
Description: A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation.
CVE-2018-4345: Jun Kokatsu (@shhnjk)
Entry added January 10, 2019
WebKit
Available for: Windows 7 and later
Impact: Unexpected interaction causes an ASSERT failure
Description: A memory consumption issue was addressed with improved memory handling.
CVE-2018-4361: found by OSS-Fuzz
CVE-2018-4474: found by OSS-Fuzz
Entry updated January 22, 2019
Additional recognition
SQLite
We would like to acknowledge Andreas Kurtz (@aykay) of NESO Security Labs GmbH for their assistance.
WebKit
We would like to acknowledge Cary Hartline, Hanming Zhang from 360 Vuclan team, Tencent Keen Security Lab working with Trend Micro's Zero Day Initiative, and Zach Malone of CA Technologies for their assistance.