- Answer: Magic Mouse 2 is the currently available rechargeable mouse from Apple. It won’t work unless you have Bluetooth & turn it on in System Preferences. Or, if your computer lacks bluetooth, you could buy & install an external USB dongle from a non-Apple vendor.
- Download Mac OS X Yosemite - The OS X Yosemite 10.10.5 update improves the stability, compatibility, and security of your Mac, and is recommended for all users.
- How to Update My Mac to OS X 10.11.6/10.11.4? After you are done with checking the compatibility of your Mac device, it's time to follow some pre rituals to prepare your device for Mac OS X El Capitan 10.11. These steps are mandatory for the successful installation of El Capitan OS into your Mac, and Apple also suggests them.
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Jul 05, 2021 • Filed to: Solve Mac Problems • Proven solutions
Mac OS X Yosemite 10.10.5 DMG is new release version of the newest operating system for Mac which is now available with direct download link at 4MACSOFT. Mac OS X Yosemite 10.10 has an elegant design that feels entirely fresh, yet inherently familiar. The apps you use every day, enhanced with new features.
Mac users get new software updates and versions more frequently than the other operating systems. That's both the blessing and curse for the Mac users. The latest software makes your Mac device compatible with the new technological developments. Still, it also makes the existing OS obsolete. That's why most Mac users with old devices try to update their Mac to OS X El Capitan. However, you can't update your Mac to El Capitan 10.11 if your Mac runs on software later than Mac OS X 10.6 Snow Leopard.
Is OS X El Capitan Still Available for Your Mac?
OS X El Capitan (10.11) was launched on 25 September 2015, and it is an improved version of OS X Yosemite (10.10). Improved window management, quick and responsive interface, spotlight search, and enhanced graphics were the prerequisites of El Capitan OS. However, if you are planning to update your Mac to OS X El Capitan, your device must fulfill the following requirements.
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Space Requirements
You can't install OS X El Capitan unless your Mac has a free space of 8.8 GB. However, that's the space you need to install El Capitan on your Mac. You might have to free more space to run your Mac more smoothly because low space slows down system performance.
Hardware Compatibility
Most of the Mac models can install and run OS X El Capitan, but in some devices, you can't use full features of this OS due to hardware limitations. For instance, you can't use AirDrop on your Mac if you don't have a WiFi network compatible with PAN. The followings are devices that are compatible with OS X El Capitan.
- MacBook introduced in 2009 or later, plus MacBook (13-inch, Aluminum, Late 2008)
- MacBook Air introduced in late 2008 or later
- MacBook Pro introduced in mid-2007 or later
- Mac mini introduced in early 2009 or later
- iMac introduced in mid-2007 or later
- Mac Pro introduced in early 2008 or later
- Xserve models introduced in early 2009
RAM Compatibility
RAM is the temporary memory that supports the system to run apps and programs efficiently. Without enough RAM, trust me, you can't even run your native operating system smoothly. Similarly, you can't install El Capitan unless you have 2 GB RAM on your Mac.
Operating System Compatibility
Operating systems play a critical role in creating an operational environment for both the software and the hardware. If you have decided to update your Mac PC, you have to make sure that your device doesn't run the OS later than Mac OS X Snow Leopard 10. 6. 8.
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How to Update My Mac to OS X 10.11.6/10.11.4?
After you are done with checking the compatibility of your Mac device, it's time to follow some pre rituals to prepare your device for Mac OS X El Capitan 10.11. These steps are mandatory for the successful installation of El Capitan OS into your Mac, and Apple also suggests them.
Get Your Mac Ready for El Capitan Update
Unprepared installation of a new operating system can result in disappointment. Remember that you are going to get a relatively new OS for your older Mac. To increase the hardware compatibility of your Mac, you must go through a checklist for successful installation of OS X El Capitan.
Space in your Mac: This includes freeing space both on RAM and Disk drive. 2 GB RAM and 8.8 GB of disk space are mandatory because the installer would not proceed without the fulfillment of these hardware requirements.
Minimum battery requirement: During the OS update, a computer consumes battery quicker than the regular operations. Your Mac needs to have at least 45% battery to pass through the El Capitan installation.
Active Internet Connection: You can't proceed with any OS installation without an active internet connection. Along with the installation package, your Mac would also need some side installations throughout the update. Without the support of these plugins and drivers, you would be back to square one. So, an active connection is a must.
Update Apps: Outdated apps can halt the process of updating your Mac. As soon as the installation of Mac OS X El Capitan completes, you face a software crisis. Most of your apps would stop working, leaving you with a headache. That's why don't forget to update your apps before starting the update.
Backup Your Data: There's a high chance that you would lose your data during Mac OS X EI Capitan update because the new OS makes changes in every nook and corner of your PC. To prevent the possible data loss, make a double back up—one in the Time Machine and other in the external storage device. If there is any file missing after the El Capitan update, check how to recover files after OS X update.
Begin Update Process
Your device is ready to embrace Mac OS X El Capitan 10.11 after going through the steps mentioned earlier. Now it's time for some real action.
Step 1Visit the official Mac App Store and search for Mac OS X El Capitan. Your search result would Stake you to the El Capitan page. You can also download El Capitan without the App Store by the following links.
Step 2From the official El Capitan page, you can download your required version.
Step 3Once the download is done, the El Capitan installer will pop up on your screen.
Step 4Press the 'Continue' button and wait for the installation to begin. You can proceed with the installation by following the instructions of the installer.
Step 5The installation process does not take a long time. Once the installation is done, you can restore your data from Time Machine or external drive.
Recover Lost Files After OS X El Capitan Update
Do you remember those pre-installation steps? Those steps were taken to minimize the chances of data loss during the Mac OS X El Capitan installation. Despite these precautions, you are still at the risk of unprecedented data loss. You can lose data due to the following reasons.
Data loss due to corrupted files: If your Mac contains corrupted files, you will lose your data. During installation, the new OS tries to fix or delete corrupted files. These overwritten or deleted files would not appear after installation.
Nature of Mac OS X El Capitan's update: You will replace your older OS with a new version that is not tailor-made for your Mac. That's a significant shift in the environment of your Mac. Such kinds of major updates come with uncertainty, and you can't predict whether you are going to lose your data or not.
Hardware specifications: 2 GB RAM and 8.8 GB disk space is a standard requirement for El Capitan's update. But it takes a lot more from a Mac device to adapt to a newly enforced environment. A slight incompatibility can make you lose your data without any notice.
Lost Your Data After Mac OS X El Capitan: What's Next?
Data loss is one of the anticipated drawbacks of the installation of Mac OS X El Capitan. If you have lost your data after while updating your Mac and don't know what's next, it's time to get expert help.
Recoverit Data Recovery can be used for getting your documents, audio clips, videos, and photos back after Mac OS update. It uses high-tech codecs that are compatible with more than a thousand formats of files. Here are all the good reasons to trust Recoverit Data Recovery.
- Junk free installation for the data security of their users;
- High compatibility with Mac on different versions;
- Works effectively with every storage device: hard drive, USB drive, SD card, etc.;
- Deep scanning feature;
- Straightforward interface and quick data recovery.
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Mac users can retrieve their lost data after OS X El Capitan Update by following these steps.
Step 1Download Recoverit and tap on its icon to launch it on your Mac
(If you can't find the Recoverit icon on your desktop, you can use Finder to search it.)
Step 2After running Recoverit successfully on your Mac, now choose the following options.
Step 3Select the location of the drive you want to recover files.
Step 4Use the 'Start' button to scan it. Scan retrieves all the data of your selected drive.
Step 5Using the option to 'Preview and Recover,' you can choose the files that you want to recover, and you are done.
Wrap Up
New updates always come with uncertainty for the old devices. However, you can reverse your loss of data by taking the precautionary steps. Despite these steps, you might lose a few of your files. But don't worry, an ace software like Recoverit can recover your data.
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For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.
For information about the Apple Product Security PGP Key, see How to use the Apple Product Security PGP Key.
Where possible, CVE IDs are used to reference the vulnerabilities for further information.
To learn about other security updates, see Apple security updates.
OS X El Capitan 10.11.1, Security Update 2015-004 Yosemite, and Security Update 2015-007 Mavericks
Accelerate Framework
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: Visiting a maliciously crafted website may lead to arbitrary code execution
Description: A memory corruption issue existed in the Accelerate Framework in multi-threading mode. This issue was addressed through improved accessor element validation and improved object locking.
CVE-ID
CVE-2015-5940 : Apple
apache_mod_php
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: Multiple vulnerabilities in PHP
Description: Multiple vulnerabilities existed in PHP versions prior to 5.5.29 and 5.4.45. These were addressed by updating PHP to versions 5.5.29 and 5.4.45.
CVE-ID
CVE-2015-0235
CVE-2015-0273
CVE-2015-6834
CVE-2015-6835
CVE-2015-6836
CVE-2015-6837
CVE-2015-6838
ATS
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: Visiting a maliciously crafted webpage may lead to an unexpected application termination or arbitrary code execution
Description: A memory corruption issue existed in ATS. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-6985 : John Villamil (@day6reak), Yahoo Pentest Team
Audio
Available for: OS X El Capitan 10.11
Impact: A malicious application may be able to execute arbitrary code
Description: An uninitialized memory issue existed in coreaudiod. This issue was addressed through improved memory initialization.
CVE-ID
CVE-2015-7003 : Mark Brand of Google Project Zero
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Audio
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: Playing a malicious audio file may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in the handling of audio files. These issues were addressed through improved memory handling.
CVE-ID
CVE-2015-5933 : Apple
CVE-2015-5934 : Apple
Bom
Available for: OS X El Capitan 10.11
Impact: Unpacking a maliciously crafted archive may lead to arbitrary code execution
Description: A file traversal vulnerability existed in the handling of CPIO archives. This issue was addressed through improved validation of metadata.
CVE-ID
CVE-2015-7006 : Mark Dowd of Azimuth Security
CFNetwork
Available for: OS X El Capitan 10.11
Impact: Visiting a maliciously crafted website may lead to cookies being overwritten
Description: A parsing issue existed when handling cookies with different letter casing. This issue was addressed through improved parsing.
CVE-ID
CVE-2015-7023 : Marvin Scholz and Michael Lutonsky; Xiaofeng Zheng and Jinjin Liang of Tsinghua University, Jian Jiang of University of California, Berkeley, Haixin Duan of Tsinghua University and International Computer Science Institute, Shuo Chen of Microsoft Research Redmond, Tao Wan of Huawei Canada, Nicholas Weaver of International Computer Science Institute and University of California, Berkeley, coordinated via CERT/CC
configd
Available for: OS X El Capitan 10.11
Impact: A malicious application may be able to elevate privileges
Description: A heap based buffer overflow issue existed in the DNS client library. A malicious application with the ability to spoof responses from the local configd service may have been able to cause arbitrary code execution in DNS clients.
CVE-ID
CVE-2015-7015 : PanguTeam
CoreGraphics
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: Visiting a maliciously crafted website may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in CoreGraphics. These issues were addressed through improved memory handling.
CVE-ID
CVE-2015-5925 : Apple
CVE-2015-5926 : Apple
CoreText
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: Processing a maliciously crafted font file may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking.
CVE-ID
CVE-2015-6992 : John Villamil (@day6reak), Yahoo Pentest Team
CoreText
Available for: OS X Yosemite v10.10.5 and OS X El Capitan 10.11
Impact: Processing a maliciously crafted font file may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking.
CVE-ID
CVE-2015-6975 : John Villamil (@day6reak), Yahoo Pentest Team
CoreText
Available for: OS X El Capitan 10.11
Impact: Processing a maliciously crafted font file may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking.
CVE-ID
CVE-2015-7017 : John Villamil (@day6reak), Yahoo Pentest Team
CoreText
Available for: OS X Mavericks v10.9.5 and OS X Yosemite v10.10.5
Impact: Processing a maliciously crafted font file may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking.
CVE-ID
CVE-2015-5944 : John Villamil (@day6reak), Yahoo Pentest Team
Directory Utility
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: A local user may be able to execute arbitrary code with root privileges
Description: An authentication issue existed during the establishment of new sessions. This issue was addressed through improved authorization checks.
CVE-ID
CVE-2015-6980 : Michael of Westside Community Schools
Disk Images
Available for: OS X El Capitan 10.11
Impact: A malicious application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue existed in the parsing of disk images. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-6995 : Ian Beer of Google Project Zero
EFI
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: An attacker can exercise unused EFI functions
Description: An issue existed with EFI argument handling. This was addressed by removing the affected functions.
CVE-ID
CVE-2014-4860 : Corey Kallenberg, Xeno Kovah, John Butterworth, and Sam Cornwell of The MITRE Corporation, coordinated via CERT
Entry updated June 30, 2017
File Bookmark
Available for: OS X El Capitan 10.11
Impact: Browsing to a folder with malformed bookmarks may cause unexpected application termination
Description: An input validation issue existed in parsing bookmark metadata. This issue was addressed through improved validation checks.
CVE-ID
CVE-2015-6987 : Luca Todesco (@qwertyoruiop)
FontParser
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: Processing a maliciously crafted font file may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking.
CVE-ID
CVE-2015-5927 : Apple
CVE-2015-5942
CVE-2015-6976 : John Villamil (@day6reak), Yahoo Pentest Team
CVE-2015-6977 : John Villamil (@day6reak), Yahoo Pentest Team
CVE-2015-6978 : Jaanus Kp, Clarified Security, working with HP's Zero Day Initiative
CVE-2015-6991 : John Villamil (@day6reak), Yahoo Pentest Team
CVE-2015-6993 : John Villamil (@day6reak), Yahoo Pentest Team
CVE-2015-7009 : John Villamil (@day6reak), Yahoo Pentest Team
CVE-2015-7010 : John Villamil (@day6reak), Yahoo Pentest Team
CVE-2015-7018 : John Villamil (@day6reak), Yahoo Pentest Team
FontParser
Available for: OS X El Capitan 10.11
Impact: Processing a maliciously crafted font file may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking.
CVE-ID
CVE-2015-6990 : John Villamil (@day6reak), Yahoo Pentest Team
CVE-2015-7008 : John Villamil (@day6reak), Yahoo Pentest Team
Grand Central Dispatch
Available for: OS X Yosemite v10.10.5 and OS X El Capitan 10.11
Impact: Processing a maliciously crafted package may lead to arbitrary code execution
Description: A memory corruption issue existed in the handling of dispatch calls. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-6989 : Apple
Graphics Drivers
Available for: OS X El Capitan 10.11
Impact: A local user may be able to cause unexpected system termination or read kernel memory
Description: Multiple out of bounds read issues existed in the NVIDIA graphics driver. These issues were addressed through improved bounds checking.
CVE-ID
CVE-2015-7019 : Ian Beer of Google Project Zero
CVE-2015-7020 : Moony Li of Trend Micro
Graphics Drivers
Available for: OS X El Capitan 10.11
Impact: A local user may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue existed in the kernel. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-7021 : Moony Li of Trend Micro
ImageIO
Available for: OS X Mavericks v10.9.5 and OS X Yosemite v10.10.5
Impact: Processing a maliciously crafted image file may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in the parsing of image metadata. These issues were addressed through improved metadata validation.
CVE-ID
CVE-2015-5935 : Apple
CVE-2015-5938 : Apple
ImageIO
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: Processing a maliciously crafted image file may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in the parsing of image metadata. These issues were addressed through improved metadata validation.
CVE-ID
CVE-2015-5936 : Apple
CVE-2015-5937 : Apple
CVE-2015-5939 : Apple
IOAcceleratorFamily
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: A malicious application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue existed in IOAcceleratorFamily. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-6996 : Ian Beer of Google Project Zero
IOHIDFamily
Available for: OS X El Capitan 10.11
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue existed in the kernel. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-6974 : Luca Todesco (@qwertyoruiop)
Kernel
Available for: OS X Yosemite v10.10.5
Impact: A local user may be able to execute arbitrary code with system privileges
Description: A type confusion issue existed in the validation of Mach tasks. This issue was addressed through improved Mach task validation.
CVE-ID
CVE-2015-5932 : Luca Todesco (@qwertyoruiop), Filippo Bigarella
Kernel
Available for: OS X El Capitan 10.11
Impact: An attacker with a privileged network position may be able to execute arbitrary code
Description: An uninitialized memory issue existed in the kernel. This issue was addressed through improved memory initialization.
CVE-ID
CVE-2015-6988 : The Brainy Code Scanner (m00nbsd)
Kernel
Available for: OS X El Capitan 10.11
Impact: A local application may be able to cause a denial of service
Description: An issue existed when reusing virtual memory. This issue was addressed through improved validation.
CVE-ID
CVE-2015-6994 : Mark Mentovai of Google Inc.
libarchive
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: A malicious application may be able to overwrite arbitrary files
Description: An issue existed within the path validation logic for symlinks. This issue was addressed through improved path sanitization.
CVE-ID
CVE-2015-6984 : Christopher Crone of Infinit, Jonathan Schleifer
MCX Application Restrictions
Available for: OS X Yosemite v10.10.5 and OS X El Capitan 10.11
Impact: A developer-signed executable may acquire restricted entitlements
Description: An entitlement validation issue existed in Managed Configuration. A developer-signed app could bypass restrictions on use of restricted entitlements and elevate privileges. This issue was addressed through improved provisioning profile validation.
CVE-ID
CVE-2015-7016 : Apple
mDNSResponder
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11
Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution
Description: Multiple memory corruption issues existed in DNS data parsing. These issues were addressed through improved bounds checking.
CVE-ID
CVE-2015-7987 : Alexandre Helie
mDNSResponder
Available for: OS X El Capitan v10.11
Impact: A local application may be able to cause a denial of service
Description: A null pointer dereference issue was addressed through improved memory handling.
CVE-ID
CVE-2015-7988 : Alexandre Helie
Net-SNMP
Available for: OS X El Capitan 10.11
Impact: An attacker in a privileged network position may be able to cause a denial of service
Description: Multiple issues existed in netsnmp version 5.6. These issues were addressed by using patches affecting OS X from upstream.
CVE-ID
CVE-2012-6151
CVE-2014-3565
OpenGL
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: Visiting a maliciously crafted website may lead to arbitrary code execution
Description: A memory corruption issue existed in OpenGL. This issue was addressed through improved memory handling.
CVE-ID
CVE-2015-5924 : Apple
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OpenSSH
Available for: OS X El Capitan 10.11
Impact: A local user may be able to conduct impersonation attacks
Description: A privilege separation issue existed in PAM support. This issue was addressed with improved authorization checks.
CVE-ID
CVE-2015-6563 : Moritz Jodeit of Blue Frost Security GmbH
Sandbox
Available for: OS X El Capitan 10.11
Impact: A local user may be able to execute arbitrary code with kernel privileges
Description: An input validation issue existed when handling NVRAM parameters. This issue was addressed through improved validation.
CVE-ID
CVE-2015-5945 : Rich Trouton (@rtrouton), Howard Hughes Medical Institute, Apple
Script Editor
Available for: OS X El Capitan 10.11
Impact: An attacker may trick a user into running arbitrary AppleScript
Description: In some circumstances, Script Editor did not ask for user confirmation before executing AppleScripts. This issue was addressed by prompting for user confirmation before executing AppleScripts.
CVE-ID
CVE-2015-7007 : Joe Vennix
Security
Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan 10.11
Impact: An Apple-signed binary could be used to load arbitrary files
Description: Certain Apple-signed executables loaded applications from relative locations. This was addressed through additional checks in Gatekeeper.
CVE-ID
CVE-2015-7024 : Patrick Wardle of Synack
Security
Available for: OS X El Capitan 10.11
Impact: Processing a maliciously crafted certificate may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in the ASN.1 decoder. These issues were addressed through improved input validation.
CVE-ID
CVE-2015-7059 : David Keeler of Mozilla
CVE-2015-7060 : Tyson Smith of Mozilla
CVE-2015-7061 : Ryan Sleevi of Google
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Security
Available for: OS X El Capitan 10.11
Impact: A malicious application may be able to overwrite arbitrary files
Description: A double free issue existed in the handling of AtomicBufferedFile descriptors. This issue was addressed through improved validation of AtomicBufferedFile descriptors.
CVE-ID
CVE-2015-6983 : David Benjamin, Greg Kerr, Mark Mentovai and Sergey Ulanov from the Chrome Team
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SecurityAgent
Available for: OS X El Capitan 10.11
Impact: A malicious application can programmatically control keychain access prompts
Description: A method existed for applications to create synthetic clicks on keychain prompts. This was addressed by disabling synthetic clicks for keychain access windows.
CVE-ID
CVE-2015-5943
OS X El Capitan v10.11.1 includes the security content of Safari 9.0.1.
Security Update 2015-004 and 2015-007 is recommended for all users and improves the security of OS X.