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About the security content of Safari 11.1.2

Description

# About the security content of Safari 11.1.2 This document describes the security content of Safari 11.1.2. ## 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 11.1.2 Released July 9, 2018 **Safari** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.6 Impact: Visiting a malicious website may lead to address bar spoofing Description: An inconsistent user interface issue was addressed with improved state management. CVE-2018-4279: Ruilin Yang, Xu Taoyu (xia0yu.win) CVE-2018-4362: Jun Kokatsu (@shhnjk) Entry updated October 30, 2018 **WebKit** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.6 Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash Description: A memory corruption issue was addressed with improved memory handling. CVE-2018-4270: found by OSS-Fuzz **WebKit** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.6 Impact: A malicious website may exfiltrate audio data cross-origin Description: Sound fetched through audio elements may be exfiltrated cross-origin. This issue was addressed with improved audio taint tracking. CVE-2018-4278: Jun Kokatsu (@shhnjk) **WebKit** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.6 Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A type confusion issue was addressed with improved memory handling. CVE-2018-4284: found by OSS-Fuzz Entry updated October 30, 2018 **WebKit** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.6 Impact: A malicious website may be able to cause a denial of service Description: A race condition was addressed with additional validation. CVE-2018-4266: found by OSS-Fuzz **WebKit** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.6 Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: Multiple memory corruption issues were addressed with improved memory handling. CVE-2018-4261: Omair working with Trend Micro's Zero Day Initiative CVE-2018-4262: Mateusz Krzywicki working with Trend Micro's Zero Day Initiative CVE-2018-4263: Arayz working with Trend Micro's Zero Day Initiative CVE-2018-4264: found by OSS-Fuzz, Yu Zhou and Jundong Xie of Ant-financial Light-Year Security Lab CVE-2018-4265: cc working with Trend Micro's Zero Day Initiative CVE-2018-4267: Arayz of Pangu team working with Trend Micro's Zero Day Initiative CVE-2018-4272: found by OSS-Fuzz **WebKit** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.6 Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash Description: Multiple memory corruption issues were addressed with improved input validation. CVE-2018-4271: found by OSS-Fuzz CVE-2018-4273: found by OSS-Fuzz **WebKit** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.6 Impact: Visiting a malicious website may lead to address bar spoofing Description: A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation. CVE-2018-4274: Tomasz Bojarski Entry updated October 30, 2018 **WebKit Page Loading** Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.6 Impact: Visiting a malicious website may lead to address bar spoofing Description: An inconsistent user interface issue was addressed with improved state management. CVE-2018-4260: xisigr of Tencent's Xuanwu Lab (tencent.com) Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. [Contact the vendor](<http://support.apple.com/kb/HT2693>) for additional information. Published Date: October 30, 2018


Affected Software


CPE Name Name Version
safari 11.1.2

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