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About the security content of Safari 12 - Apple Support

Description

## 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](<https://support.apple.com/kb/HT201222>) page. For more information about security, see the [Apple Product Security](<https://support.apple.com/kb/HT201220>) page. You can encrypt communications with Apple using the [Apple Product Security PGP Key](<https://support.apple.com/kb/HT201601>). Apple security documents reference vulnerabilities by [CVE-ID](<http://cve.mitre.org/about/>) when possible. ![](/library/content/dam/edam/applecare/images/en_US/mac_apps/itunes/divider.png) ## Safari 12 Released September 17, 2018 **Safari** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14 Impact: A malicious website may be able to exfiltrate autofilled data in Safari Description: A logic issue was addressed with improved state management. CVE-2018-4307: Rafay Baloch of Pakistan Telecommunications Authority Entry updated September 24, 2018 **Safari** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14 Impact: A user may be unable to delete browsing history items Description: Clearing a history item may not clear visits with redirect chains. The issue was addressed with improved data deletion. CVE-2018-4329: Hugo S. Diaz (coldpointblue) Entry updated September 24, 2018 **Safari** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14 Impact: Visiting a malicious website by clicking a link may lead to user interface spoofing Description: An inconsistent user interface issue was addressed with improved state management. CVE-2018-4195: xisigr of Tencent's Xuanwu Lab (www.tencent.com) Entry updated September 24, 2018 **WebKit** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14 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 Entry added September 24, 2018 **WebKit** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14 Impact: Unexpected interaction causes an ASSERT failure Description: A memory corruption issue was addressed with improved validation. CVE-2018-4191: found by OSS-Fuzz Entry added September 24, 2018 **WebKit** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14 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 Entry added September 24, 2018 **WebKit** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14 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 added September 24, 2018, updated October 24, 2018 **WebKit** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14 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) Entry added September 24, 2018 **WebKit** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14 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 September 24, 2018, updated December 18, 2018 **WebKit** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14 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 added September 24, 2018, updated January 22, 2019 **WebKit** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14 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-2018-4312: Ivan Fratric of Google Project Zero CVE-2018-4315: Ivan Fratric of Google Project Zero CVE-2018-4197: Ivan Fratric of Google Project Zero CVE-2018-4314: Ivan Fratric of Google Project Zero CVE-2018-4318: Ivan Fratric of Google Project Zero CVE-2018-4306: Ivan Fratric of Google Project Zero CVE-2018-4317: Ivan Fratric of Google Project Zero Entry added September 24, 2018 **WebKit** Available for: macOS Sierra 10.12.6, macOS High Sierra 10.13.6, macOS Mojave 10.14 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 Entry added September 24, 2018 ![](/library/content/dam/edam/applecare/images/en_US/mac_apps/itunes/divider.png) ## Additional recognition **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.


Affected Software


CPE Name Name Version
macos high sierra 10.13.6
macos sierra 10.12.6
safari 12
macos mojave 10.14

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