Apple OS X El Capitan 10.11.5 – Apple’s newest operating system.

Apple OS X El Capitan 10.11.5

Apple OS X El Capitan, the latest version of the Mac operating system, builds on the groundbreaking features and beautiful design introduced in OS X Yosemite, refining the experience and improving performance in lots of ways that you’ll enjoy everyday. El Capitan introduces enhancements to window management, built-in apps and Spotlight search, and makes everyday activities — from launching apps to accessing email — faster and more responsive. Metal, Apple’s breakthrough graphics technology, is integrated into El Capitan delivering system-wide performance gains and enabling games and pro apps to tap into the full power of Mac graphics processors.


What’s New

Version 10.11.5:

Fixed
  • Fixes an issue where applying a configuration profile to setallowSpotlightInternetResults to False would cause Spotlight to use large amounts of CPU time.
  • Fixes an issue where applying a configuration profile to setShutDownDisabledWhileLoggedIn to True would have no effect.
  • Fixes an issue where only a single NetBoot image would appear in the Startup Disk pane of System Preferences, even if multiple NetBoot images were configured on the server.
Security
  • AMD Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved memory handling.
  • AMD Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later Impact: An application may be able to determine kernel memory layout Description: An issue existed that led to the disclosure of kernel memory content. This issue was addressed through improved bounds checking.
  • apache_mod_php Available for: OS X El Capitan v10.11 and later Impact: Multiple vulnerabilities in PHP Description: Multiple vulnerabilities existed in PHP versions prior to 5.5.34. These were addressed by updating PHP to version 5.5.34.
  • AppleGraphicsControl Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A null pointer dereference was addressed through improved validation.
  • AppleGraphicsPowerManagement Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved memory handling.
  • ATS Available for: OS X El Capitan v10.11 and later Impact: An application may be able to determine kernel memory layout Description: An out of bounds memory access issue was addressed through improved memory handling.
  • ATS Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with system privileges Description: An issue existed in the sandbox policy. This was addressed by sandboxing FontValidator.
  • Audio Available for: OS X Yosemite v10.10.5 and OS X El Capitan v10.11 and later Impact: An application may be able to cause a denial of service Description: A null pointer dereference was addressed through improved validation.
  • Audio Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved input validation.
  • Captive Network Assistant Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later Impact: An attacker in a privileged network position may be able to execute arbitrary code with user assistance Description: A custom URL scheme handling issue was addressed through improved input validation.
  • CFNetwork Proxies Available for: OS X El Capitan v10.11 and later Impact: An attacker in a privileged network position may be able to leak sensitive user information Description: An information leak existed in the handling of HTTP and HTTPS requests. This issue was addressed through improved URL handling.
  • CommonCrypto Available for: OS X El Capitan v10.11 and later Impact: A malicious application may be able to leak sensitive user information Description: An issue existed in the handling of return values in CCCrypt. This issue was addressed through improved key length management.
  • CoreCapture Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A null pointer dereference was addressed through improved validation.
  • CoreStorage Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A configuration issue was addressed through additional restrictions.
  • Crash Reporter Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with root privileges Description: A configuration issue was addressed through additional restrictions.
  • Disk Images Available for: OS X El Capitan v10.11 and later Impact: A local attacker may be able to read kernel memory Description: A race condition was addressed through improved locking.
  • Disk Images Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue existed in the parsing of disk images. This issue was addressed through improved memory handling.
  • Disk Utility Available for: OS X El Capitan v10.11 and later Impact: Disk Utility failed to compress and encrypt disk images Description: Incorrect keys were being used to encrypt disk images. This issue was addressed by updating the encryption keys.
  • Graphics Drivers Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: Multiple memory corruption issues were addressed through improved memory handling.
  • ImageIO Available for: OS X El Capitan v10.11 and later Impact: Processing a maliciously crafted image may lead to a denial of service Description: A null pointer dereference was addressed through improved validation.
  • Intel Graphics Driver Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A buffer overflow was addressed through improved bounds checking.
  • IOAcceleratorFamily Available for: OS X El Capitan v10.11 and later Impact: An application may be able to cause a denial of service Description: A null pointer dereference was addressed through improved locking.
  • IOAcceleratorFamily Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: Multiple memory corruption issues were addressed through improved memory handling.
  • IOAcceleratorFamily Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A null pointer dereference was addressed through improved validation.
  • IOAudioFamily Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A buffer overflow was addressed with improved bounds checking.
  • IOAudioFamily Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A null pointer dereference was addressed through improved validation.
  • IOFireWireFamily Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved memory handling.
  • IOHIDFamily Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved memory handling.
  • IOHIDFamily Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: Multiple memory corruption issues were addressed through improved memory handling.
  • Kernel Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: Multiple memory corruption issues were addressed through improved memory handling.
  • Kernel Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: An integer overflow existed in dtrace. This issue was addressed through improved bounds checking.
  • libc Available for: OS X El Capitan v10.11 and later Impact: A local attacker may be able to cause unexpected application termination or arbitrary code execution Description: A memory corruption issue was addressed through improved input validation.
  • libxml2 Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later Impact: Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution Description: Multiple memory corruption issues were addressed through improved memory handling.
  • libxslt Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later Impact: Visiting a maliciously crafted website may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved memory handling.
  • MapKit Available for: OS X El Capitan v10.11 and later Impact: An attacker in a privileged network position may be able to leak sensitive user information Description: Shared links were sent with HTTP rather than HTTPS. This was addressed by enabling HTTPS for shared links.
  • Messages Available for: OS X El Capitan v10.11 and later Impact: A malicious server or user may be able to modify another user's contact list Description: A validation issue existed in roster changes. This issue was addressed through improved validation of roster sets.
  • Messages Available for: OS X El Capitan v10.11 and later Impact: A remote attacker may be able to leak sensitive user information Description: An encoding issue existed in filename parsing. This issue was addressed through improved filename encoding.
  • Multi-Touch Available for: OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with system privileges Description: A memory corruption issue was addressed through improved memory handling.
  • NVIDIA Graphics Drivers Available for: OS X Yosemite v10.10.5 and OS X El Capitan v10.11 and later Impact: An application may be able to execute arbitrary code with kernel privileges Description: Multiple memory corruption issues were addressed through improved memory handling.
  • OpenGL Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: Multiple memory corruption issues were addressed through improved memory handling.
  • QuickTime Available for: OS X El Capitan v10.11 and later Impact: Opening a maliciously crafted file may lead to unexpected application termination or arbitrary code execution Description: A memory corruption issue was addressed through improved memory handling.
  • SceneKit Available for: OS X El Capitan v10.11 and later Impact: Opening a maliciously crafted file may lead to unexpected application termination or arbitrary code execution Description: A memory corruption issue was addressed through improved memory handling.
  • Screen Lock Available for: OS X El Capitan v10.11 and later Impact: A person with physical access to a computer may be able to reset an expired password from the lock screen Description: An issue existed in the management of password profiles. This issue was addressed through improved password reset handling.
  • Tcl Available for: OS X El Capitan v10.11 and later Impact: An attacker in a privileged network position may be able to leak sensitive user information Description: A protocol security issue was addressed by disabling SSLv2.


Compatibility

OS X 10.6.8 or later


Screenshots



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