More than two weeks after releasing iOS 18.4, which introduced new emoji to the world, Apple published iOS 18.4.1 on April 16. According to Apple, the most recent update resolves two security flaws that might have been used in “extremely sophisticated” attacks and adds significant bug fixes to your iPhone.

By selecting Settings > General > Software Update, selecting Update Now, and then following the on-screen instructions, you may download the update.

See also: A Comprehensive Guide to iOS 18

Two security flaws are fixed in iOS 18.4.1, according Apple’s release notes. Apple’s digital audio infrastructure for iOS, Core Audio, has one vulnerability.

Apple said, “Processing an audio stream in a maliciously crafted media file may result in code execution,” on the Core Audio vulnerability. A third party may be able to steal your data or exploit your device for other malicious reasons if code execution occurs.

RPAC, a security feature Apple employs to guard against the exploitation of memory corruption problems, has another vulnerability that the update fixes. According to Apple, this security precaution might be circumvented by a malevolent entity with arbitrary read and write capabilities. Your system may be compromised by memory corruption, which might result in data theft or leakage.

According to Apple, both of these flaws might have been utilized in deliberate assaults against certain people. Even while you may not be the target of these assaults, you should nevertheless download the update right away to make sure your data and you are as protected as possible.

Additionally, Apple said that iOS 18.4.1 resolves a rare bug that would have prevented certain cars from connecting wirelessly to CarPlay.