An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. The issue involves the "WebKit" component. It allows remote attackers to obtain sensitive credential information that is transmitted during a CSS mask-image fetch.

In iOS before 11.2.5, macOS High Sierra before 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El Capitan, watchOS before 4.2.2, and tvOS before 11.2.5, a memory corruption issue exists and was addressed with improved memory handling.

An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. The issue involves the "WebKit" component. It allows remote attackers to spoof the address bar via a crafted web site.

An issue was discovered in certain Apple products. iOS before 11.3.1 is affected. macOS before 10.13.4 Security Update 2018-001 is affected. The issue involves the "LinkPresentation" component. It allows remote attackers to spoof the UI via a crafted URL in a text message.

In Safari before 11.1, an information leakage issue existed in the handling of downloads in Safari Private Browsing. This issue was addressed with additional validation.

In iOS before 11.3, tvOS before 11.3, watchOS before 4.3, and macOS before High Sierra 10.13.4, an information disclosure issue existed in the transition of program state. This issue was addressed with improved state handling.

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Speech" component. It allows attackers to bypass a sandbox protection mechanism to obtain microphone access.

cups: Sandbox bypass due to profile misconfiguration

In macOS High Sierra before 10.13.5, an access issue was addressed with additional sandbox restrictions.

cups: Sandbox bypass due to insecure error handling

In macOS High Sierra before 10.13.5, an access issue was addressed with additional sandbox restrictions on CUPS.

cups: Manipulation of cupsd.conf by a local attacker resulting in limited reads of arbitrary files as root

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.

cups: Local privilege escalation to root due to insecure environment variable handling

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.

In macOS High Sierra before 10.13.4, there was an issue with the handling of smartcard PINs. This issue was addressed with additional logic.

A permissions issue existed in which execute permission was incorrectly granted. This issue was addressed with improved permission validation. This issue affected versions prior to macOS High Sierra 10.13.4.

An issue was discovered in certain Apple products. macOS before 10.13.4 is affected. The issue involves the "Disk Images" component. It allows attackers to trigger an app launch upon mounting a crafted disk image.

An issue was discovered in certain Apple products. macOS before 10.13.4 is affected. The issue involves the "LaunchServices" component. It allows attackers to bypass the code-signing protection mechanism via a crafted app.

An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. The issue involves the "Mail" component. It allows man-in-the-middle attackers to read S/MIME encrypted messages by leveraging an inconsistency in the user interface.

An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. The issue involves the "Status Bar" component. It allows invisible microphone access via a crafted app.

An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Find My iPhone" component. It allows physically proximate attackers to bypass the iCloud password requirement for disabling the "Find My iPhone" feature via vectors involving a backup restore.

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Bluetooth" component. It allows attackers to obtain sensitive kernel memory-layout information via a crafted app that leverages device properties.

An issue was discovered in certain Apple products. macOS before 10.13.4 is affected. The issue involves the "Admin Framework" component. It allows local users to discover a password by listing a process and its arguments during sysadminctl execution.