Ddos 
On January 23, 2018, Apple releases the security update to fix vulnerabilities in multiple products. This security update is for Safari, watchOS, iOS, macOS High Sierra & tvOS. By exploiting these vulnerabilities, the attacker can take control of an affected system.
Safari 11.0.3
WebKit
Available for: OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.3
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2018-4088: Jeonghoon Shin of Theori
CVE-2018-4089: Ivan Fratric of Google Project Zero
CVE-2018-4096: found by OSS-Fuzz
iOS 11.2.5
Audio
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Processing a maliciously crafted audio file may lead to arbitrary code execution
Description: A memory corruption issue was addressed through improved input validation.
CVE-2018-4094: Mingi Cho, MinSik Shin, Seoyoung Kim, Yeongho Lee and Taekyoung Kwon of the Information Security Lab, Yonsei University
Core Bluetooth
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
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-2018-4087: Rani Idan (@raniXCH) of Zimperium zLabs Team
CVE-2018-4095: Rani Idan (@raniXCH) of Zimperium zLabs Team
Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: An application may be able to read restricted memory
Description: A memory initialization issue was addressed through improved memory handling.
CVE-2018-4090: Jann Horn of Google Project Zero
Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: An application may be able to read restricted memory
Description: A race condition was addressed through improved locking.
CVE-2018-4092: an anonymous researcher
Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed through improved input validation.
CVE-2018-4082: Russ Cox of Google
Kernel
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2018-4093: Jann Horn of Google Project Zero
LinkPresentation
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Processing a maliciously crafted text message may lead to application denial of service
Description: A resource exhaustion issue was addressed through improved input validation.
CVE-2018-4100: Abraham Masri (@cheesecakeufo)
QuartzCore
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue existed in the processing of web content. This issue was addressed through improved input validation.
CVE-2018-4085: Ret2 Systems Inc. working with Trend Micro’s Zero Day Initiative
Security
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A certificate may have name constraints applied incorrectly
Description: A certificate evaluation issue existed in the handling of name constraints. This issue was addressed through improved trust evaluation of certificates.
CVE-2018-4086: Ian Haken of Netflix
WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2018-4088: Jeonghoon Shin of Theori
CVE-2018-4089: Ivan Fratric of Google Project Zero
CVE-2018-4096: found by OSS-Fuzz
macOS High Sierra 10.13.3
Audio
Available for: macOS High Sierra 10.13.2, macOS Sierra 10.12.6
Impact: Processing a maliciously crafted audio file may lead to arbitrary code execution
Description: A memory corruption issue was addressed through improved input validation.
CVE-2018-4094: Mingi Cho, MinSik Shin, Seoyoung Kim, Yeongho Lee and Taekyoung Kwon of the Information Security Lab, Yonsei University
curl
Available for: macOS High Sierra 10.13.2
Impact: Multiple issues in curl
Description: An out-of-bounds read issue existed in the curl. This issue was addressed through improved bounds checking.
CVE-2017-8817: found by OSS-Fuzz
IOHIDFamily
Available for: macOS High Sierra 10.13.2, macOS Sierra 10.12.6, OS X El Capitan 10.11.6
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2018-4098: Siguza
Kernel
Available for: macOS Sierra 10.12.6, OS X El Capitan 10.11.6
Impact: An application may be able to read kernel memory (Meltdown)
Description: Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis of the data cache.
CVE-2017-5754: Jann Horn of Google Project Zero; Moritz Lipp of Graz University of Technology; Michael Schwarz of Graz University of Technology; Daniel Gruss of Graz University of Technology; Thomas Prescher of Cyberus Technology GmbH; Werner Haas of Cyberus Technology GmbH; Stefan Mangard of Graz University of Technology; Paul Kocher; Daniel Genkin of University of Pennsylvania and University of Maryland; Yuval Yarom of University of Adelaide and Data61; and Mike Hamburg of Rambus (Cryptography Research Division)
Kernel
Available for: macOS High Sierra 10.13.2
Impact: An application may be able to read restricted memory
Description: A memory initialization issue was addressed through improved memory handling.
CVE-2018-4090: Jann Horn of Google Project Zero
Kernel
Available for: macOS High Sierra 10.13.2
Impact: An application may be able to read restricted memory
Description: A race condition was addressed through improved locking.
CVE-2018-4092: an anonymous researcher
Kernel
Available for: macOS High Sierra 10.13.2, macOS Sierra 10.12.6, OS X El Capitan 10.11.6
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed through improved input validation.
CVE-2018-4082: Russ Cox of Google
Kernel
Available for: macOS High Sierra 10.13.2, macOS Sierra 10.12.6
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A logic issue was addressed with improved validation.
CVE-2018-4097: Resecurity, Inc.
Kernel
Available for: macOS High Sierra 10.13.2
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2018-4093: Jann Horn of Google Project Zero
LinkPresentation
Available for: macOS High Sierra 10.13.2, macOS Sierra 10.12.6.2
Impact: Processing a maliciously crafted text message may lead to application denial of service
Description: A resource exhaustion issue was addressed through improved input validation.
CVE-2018-4100: Abraham Masri (@cheesecakeufo)
QuartzCore
Available for: macOS High Sierra 10.13.2, macOS Sierra 10.12.6, OS X El Capitan 10.11.6
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue existed in the processing of web content. This issue was addressed through improved input validation.
CVE-2018-4085: Ret2 Systems Inc. working with Trend Micro’s Zero Day Initiative
Sandbox
Available for: macOS High Sierra 10.13.2
Impact: A sandboxed process may be able to circumvent sandbox restrictions
Description: An access issue was addressed through additional sandbox restrictions.
CVE-2018-4091: Alex Gaynor of Mozilla
Security
Available for: macOS High Sierra 10.13.2, macOS Sierra 10.12.6
Impact: A certificate may have name constraints applied incorrectly
Description: A certificate evaluation issue existed in the handling of name constraints. This issue was addressed through improved trust evaluation of certificates.
CVE-2018-4086: Ian Haken of Netflix
WebKit
Available for: macOS High Sierra 10.13.2
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2018-4088: Jeonghoon Shin of Theori
CVE-2018-4089: Ivan Fratric of Google Project Zero
CVE-2018-4096: found by OSS-Fuzz
Wi-Fi
Available for: macOS High Sierra 10.13.2, macOS Sierra 10.12.6, OS X El Capitan 10.11.6
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2018-4084: Hyung Sup Lee of Minionz, You Chan Lee of Hanyang University
Source: Apple