Home / mailings APPLE-SA-2021-03-26-2 iOS 12.5.2
Posted on 26 March 2021
Apple Security-announceAPPLE-SA-2021-03-26-2 iOS 12.5.2
iOS 12.5.2 addresses the following issue. Information about
the security content is also available at
https://support.apple.com/HT212257.
WebKit
Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad
mini 2, iPad mini 3, and iPod touch (6th generation)
Impact: Processing maliciously crafted web content may lead to
universal cross site scripting. Apple is aware of a report that this
issue may have been actively exploited.
Description: This issue was addressed by improved management of
object lifetimes.
CVE-2021-1879: Clement Lecigne of Google Threat Analysis Group and
Billy Leonard of Google Threat Analysis Group
Installation note:
This update is available through iTunes and Software Update on your
iOS device, and will not appear in your computer's Software Update
application, or in the Apple Downloads site. Make sure you have an
Internet connection and have installed the latest version of iTunes
from https://www.apple.com/itunes/
iTunes and Software Update on the device will automatically check
Apple's update server on its weekly schedule. When an update is
detected, it is downloaded and the option to be installed is
presented to the user when the iOS device is docked. We recommend
applying the update immediately if possible. Selecting Don't Install
will present the option the next time you connect your iOS device.
The automatic update process may take up to a week depending on the
day that iTunes or the device checks for updates. You may manually
obtain the update via the Check for Updates button within iTunes, or
the Software Update on your device.
To check that the iPhone, iPod touch, or iPad has been updated:
* Navigate to Settings
* Select General
* Select About. The version after applying this update
will be "iOS 12.5.2".
Information will also be posted to the Apple Security Updates
web site: https://support.apple.com/kb/HT201222
This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
